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Walter Falcon, the Helen Farnsworth Professor of International Agricultural Policy in Economics (emeritus), writes from an unusual perspective. During the academic year he serves as a senior fellow with the Freeman Spogli Institute for International Studies and the Stanford Woods Institute for the Environment. He spends the summers on his family farm near Marion, Iowa. He returns to campus each year with reflections on the challenges and rewards of faming life in his "Almanac Report." Falcon is former deputy director of the Center on Food Security and the Environment. 

It is now the end of summer for what has been a milestone year for my wife and me. This essay, itself a mini-milestone, is the fifth annual report from our farm. As readers of prior Almanac postings will know, my day job is as professor of international agricultural policy at Stanford University; however, we also own a medium-sized farm in east central Iowa that produces corn, soybeans, alfalfa and beef from a cow-calf herd. Our friends laughingly refer to our operation as a corn-California crop rotation. 

The 2016 crop year has been nothing short of phenomenal. Planting was early, the weather was warm – sometimes downright hot – and the rains were ideal. On average, our county receives nine inches of rain during the critical growing months of June and July. This year we received more than 12 inches, quite unlike the two inches I wrote about in 2012.

Both corn and soybeans are about two weeks ahead of their maturity schedules for what promises to be record production. Corn yields of 225 bushels per acre on our farm look probable. Soybeans are more uncertain; they are loaded with pods, but all of the rain has left them susceptible to a fungal disease known as sudden-death syndrome (SDS). This fungus, present in many Iowa soils, enters the roots and emits a toxin. Plants looking healthy one day can suddenly wither a few days later. The exact amount of bean loss is mainly a function of how close the plants are to being ripe. We are almost past that maturity barrier now, so even if SDS strikes, it should not lower our yields very much. Unfortunately, record yields do not equate to record incomes, an important point that I return to later.

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The perfect summer and record crops were complemented by two milestone events of a more personal nature. In June, my wife and I celebrated our 60th wedding anniversary. Then in September, we both celebrated our 80th birthdays. There has never been a day when I have not known my wife. We grew up on nearby farms and are fourth-generation caretakers of land that was settled in the late 1850’s. And, we have both seen the most extraordinary changes over our eight decades. Even with a 50-year hiatus while at Harvard and Stanford universities, Iowa has always been home. 

Anniversaries are the time for reminiscing and looking at old pictures. Not surprisingly, a major topic of conversation at our gathering was the change in farming practices. As the younger son in our family, I remember a long list of chores, even when I was small – gathering eggs, filling the watering tanks for pigs and “going after” the cows in the evening. But I really took notice of agriculture when I was about 10.

It was shortly after Word War II, and at that time we used a four-year crop rotation: corn, corn, oats, clover. We were in the transition from horses to tractors, with the corn still being planted with a two-row horse-drawn planter. This was a task reserved for my father (a.k.a. Buck), for no one else could get the rows sufficiently straight to suit him. On a really long day, when the horses were in good condition, father could plant 15 acres. He used 42-inch rows, wide enough for the horses, and planted about 18,000 kernels of seed per acre. The seed was “checked”, which meant that cornfields could be cultivated for weeds both via the length of the field and across it. 

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The contrast between then and now is stark. An 18-row planter, dispensing 36,000 seeds per acre in 20-inch rows, can now plant 40 acres per hour – almost three times what my father could do in an entire day. Unlike horses, the tractors do not get tired. And they have lights. Steering the tractor is no longer a problem, since the fields and tractors are now synchronized with global positioning systems. For the most part, farmers are just along for the ride, and to keep awake on mile-long rows, several have become Sudoku fanatics! The planting system is wonderful except for one large problem – a new 24-row planter costs upwards of $225,000, not including the tractor.

When I was 12 my father decided that he needed more help and that I was his newly designated “hired man.” To reinforce the point, he decided that I needed my own tractor. He purchased a new Farmall “C” for me, including a two-row cultivator for attacking weeds. The grand total cost of this equipment was $1600! (Perhaps what I remember most is driving myself around the block in my hometown on the day we took delivery.)

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For the next 10 years, I spent most of my summers on that damned tractor fighting morning glories (that would tangle and often require dismounting every 100 yards), thistles, button weeds and all manner of other species. Now, herbicides, Roundup-ready seeds and no-tillage farming are the norm. What took a summer for me to do is now completed easily in a day or two with a high-clearance sprayer with long booms that cover 48 rows at a time.  

What the future will bring is an interesting question. For 20 years or more, farmers have used and overused highly effective herbicides such as Roundup.  And predictably, there is increasing weed resistance to these herbicides. In our county, there has been a devastating spread of Palmer amaranth—a tall spiky plant that produces thousands of seeds. It is highly resistant to commonly used herbicides, and whether its control lies in yet another new herbicide remains to be seen. For the moment, however, it is a menace.

For years, our entire crop rotation was constrained by labor availability at harvest. The picking of ear corn by hand was time-consuming, and typically a cold, miserable task. I can still hear my father saying, “the mark of a man is whether he can pick 100 bushels of ear corn, and then shovel them into a crib before nightfall.

Several things happened almost simultaneously, however, that fundamentally changed rural Iowa life: the switch from horses to tractors; the availability of cheap commercial nitrogen fertilizer; and the large-scale introduction of soybeans.  The departure of the horses was a joyful occasion in itself – tractors neither kick nor need their sheds cleaned.

Moreover, much less land was now needed to provide hay, oats and straw for the horses. A new crop rotation evolved that took the form of corn, soybeans, corn, soybeans. Commercial nitrogen helped maintain the soil fertility; hybrid corn seeds offered new genetic potential as yields on our farm went from 70 bushels per acre in 1946 to more than 200 bushels per acre currently; herbicides more or less controlled the weeds; and perhaps most of all, the mechanical corn picker broke the critical labor bottleneck at harvest.

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To the extent that my family ever celebrated, we partied the night our first new Case corn picker was delivered in 1948. (Father may have even had one of his carefully hidden beers that evening!) It was a one-row snapper that was simple beyond belief – just rollers that stripped the corn ears from the stock and elevated them into a trailing wagon.

It was the start of a new era, however, and the one-row pull machine quickly gave way to two-row pickers that mounted directly on a tractor, which in turn gave way to self-propelled picker-combines that used multiple “heads” for harvesting either corn or soybeans.  These machines are huge – and are extraordinarily costly. A new 12-row combine fitted for corn harvest costs on the order of $600,000. Unlike picking by hand, when 100 bushels per day was the norm, the new behemoths can harvest 10 acres per hour – some 20,000 bushels per day – provided that the farmer has enough trucks and collector wagons to move the grain from the combine to market or to on-farm storage units. Many are the farm spouses who now drive massive grain trucks during the harvest season!

[[{"fid":"223842","view_mode":"crop_870xauto","fields":{"format":"crop_870xauto","field_file_image_description[und][0][value]":"","field_file_image_alt_text[und][0][value]":"","field_file_image_title_text[und][0][value]":"","field_credit[und][0][value]":"","field_caption[und][0][value]":"","field_related_image_aspect[und][0][value]":"","thumbnails":"crop_870xauto"},"type":"media","attributes":{"width":"870","style":"width: 400px; float: left; margin: 6px; height: 239px;","class":"media-element file-crop-870xauto"}}]]Despite the serenity of the summer, the record crops and the jaw-dropping technology that is everywhere, there is now a kind of malaise that overlays the community. The early morning gatherings for (what passes as) coffee in the old country store in Waubeek have a tone that is different from earlier years. The number of new pickups – my index of farmer prosperity – is down, and there are many more comments, sometimes said jokingly but many times not, about “what my banker thinks.”

The coffee crowd is delighted that the traffic from presidential politicians across Iowa is down substantially from last summer, but the two remaining candidates seemingly have yet to say anything meaningful to my neighbors. Farmers are feeling economically trapped and politically abandoned. “None of the above” would certainly win the election if it were held today. While Iowa shows as a dead heat in the presidential polls, it is the most unenthusiastic 50/50 that I have ever seen on both sides.

Most farmers truly enjoy their work and lifestyle, but they are now hurting. It is easy to understand how the hurt arises. In the last 36 months, corn, soybean and fed-cattle prices have dropped about 50 percent, 33 percent and 25 percent, respectively. The $600,000 machines that (perhaps!) were feasible economically with $7 per bushel corn now look like a mechanical albatross with corn at $3.50 or less per bushel.

Even with low interest rates, many farmers find themselves overcapitalized and with heavy debt burdens. During the prior period of high prices, many borrowed against the equity they had in land, only to see local land prices go from about $9,200 to roughly $7,800 per acre. Solvency has become a serious question for some. Interestingly, the younger, most modern, and most aggressive young farmers seem in the most trouble, whereas some of the older, more conservative farmers using rebuilt machinery are coping better.

The morning coffee conversations are also punctuated by several environmental topics, especially nitrogen and water runoffs.  The state of Iowa is pressing hard for voluntary conservation approaches. But farmers are truly puzzled and worried about what they should do. For 100 years they have been urged to improve their land by tiling, that is, to lay clay or perforated plastic pipe three to four feet underground such that wet portions of fields could be drained to facilitate greater yields. Often these tiles have outlets into creeks or ditches.

But now there is a dilemma. The EPA is asserting that water from tiles is running water, and therefore subject to EPA regulation under the Clean Water Act. Given uncertainty about the regulations, farmers fear the worst. Moreover, much of the nitrogen runoff from cornfields is via drainage into those same tiles. While better placement and timing of fertilizer applications can help, it is hard to envisage major curtailment of nutrient runoff without also taking up the tile issue. 

Tiles are virtually in all fields, and the implications of potential new regulations are enormous. As a consequence, groups like the Farm Bureau are pushing new voluntary conservation measures very strongly. They are also going after EPA’s attempt to regulate farm waters in an all-out war. In the meantime, farmers wait uneasily and hope for the best.

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My final comment for the summer is not a “cock and bull” story, although it borders on one. (Definition: “an absurd, improbable story presented as the truth.”) It was partly motivated by “Desperado,” the 2,972-pound Angus bull that won the “Super Bull” contest at the Iowa State Fair. (Lest I be accused of being gender insensitive, I should also report that the life-sized cow, sculpted in butter, is still doing well and now stands beside a sculpturefrom “Star Trek”, also in butter.  Do not ask me why!)

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I have done no formal surveys on the topic, but my conjecture is that in rural areas, the word “bull’ is most often used as the adjective in an expletive. An adjective form is also used to describe markets. For example, the July 14 issue of Bloomberg Businessweek headlined a story, “A Bull Market You Haven’t Seen.” Farmers also watch the stock market carefully, and this watching was done with mixed emotions. To see the Dow-Jones Index of Industrial Stocks rise to over 18,500 was of limited joy, since farmers were invested in land, whose price was falling, not rising. The bullish stock prices, in a curious way, simply added to the malaise mentioned earlier.  
 
During the summer I was also involved in another bull market – a market for real bulls! This part of the story perhaps needs a bit of background. When growing up, both my wife and I had great fun exhibiting steers at various fairs and expositions. (She reminds me frequently that the last time our animals were in head-to-head competition, her ribbon count was more prestigious.)
 
We particularly enjoy young calves, and in a wild moment, we decided to develop a small cowherd of our own that would be separate from the large herd kept by the neighbor who rents our land.  By the time we reconfigured the fences, fixed the barn, installed a new water system, and invested in equipment, we have a small herd of what must surely be the most expensive cows this side of Switzerland. But we are enjoying them. This year’s steer calves have meaty names, e.g. Porter(house) and Sir Loin (spelling courtesy of a dinner menu in Chile) and the heifers have grape names, e.g. Cabernet and Zin.
 
In early July, timed for spring calves next year, we began searching for a bull. Size, breed, and age were all questions, as was an artificial insemination option. To our surprise, we found that there is a bull rental market. We ended up with a 1400-pound red Angus yearling bull, which we rented and which we hope is up to his appointed task. The cost was $600 for four months (purchase would have been $3,000), including delivery and pick up. And what delivery service! He rolled up, all by himself, in a semi trailer designed to haul 36 head. Now that is first class. Unfortunately, however, there may be a problem. He seems to have little interest in his new harem, at least during the daytime. So we watch and wait, and hope that he is working the night shift. Will we have spring calves or we will we have to hire in a substitute? It is not yet clear, so stay tuned, and I will report on the final outcome in next year’s Almanac.
 
In the meantime, I am off to Stanford for another milestone—my 45th year on the faculty. It will be a rather severe test of whether age, wisdom, and guile, can keep ahead of youth, brains and energy.
 
 

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We're being warned of future grain failures—not by the dreams of a biblical Pharaoh, but by modern computer model predictions. Climate science forecasts rising temperatures, changing rainfall patterns, and episodes of increasingly extreme weather, which will harm crop yields at a time when the world's growing population can ill afford declines, especially in its most productive areas, such as the US Midwest. In order to adequately prepare, we call for the establishment of a new field research network across the US Midwest to fully integrate all methods for improving cropping systems and leveraging big data (agronomic, economic, environmental, and genomic) to facilitate adaptation and mitigation. Such a network, placed in one of the most important grain-producing areas in the world, would provide the set of experimental facilities, linked to farm settings, needed to explore and test the adaptation and mitigation strategies that already are needed globally.

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Join us for a free screening of "Seeds of Time: One man's journey to save the future of our food"  from Academy Award nominated director Sandy McLeod.

Synposis:

A perfect storm is brewing as agriculture pioneer Cary Fowler races against time to protect the future of our food. Seed banks around the world are crumbling, crop failures are producing starvation and rioting, and the accelerating effects of climate change are affecting farmers globally. Communities of indigenous Peruvian farmers are already suffering those effects, as they try desperately to save over 1,500 varieties of native potato in their fields. But with little time to waste, both Fowler and the farmers embark on passionate and personal journeys that may save the one resource we cannot live without: our seeds.

Dr. Fowler is at Stanford as a visiting scholar with FSE and will introduce the film, then answer questions following the screening.

Read the New Yorker article about Dr. Fowler's work and learn more about the film.

Lunch will be served.

Free and open to the public. Please RSVP

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In 2007, "solar market gardens" were installed in 2 villages for women’s agricultural groups as a strategy for enhancing food and nutrition security. Data were collected through interviews at installation and 1 year later from all women’s group households (30–35 women/group) and from a random representative sample of 30 households in each village, for both treatment and matched-pair comparison villages. Comparison of baseline and endline data indicated increases in the variety of fruits and vegetables produced and consumed by SMG women’s groups compared to other groups. The proportion of SMG women’s group households engaged in vegetable and fruit production significantly increased by 26% and 55%, respectively (P < .05). After controlling for baseline values, SMG women’s groups were 3 times more likely to increase their fruit and vegetable consumption compared with comparison non-women’s groups (P < .05). In addition, the percentage change in corn, sorghum, beans, oil, rice and fish purchased was significantly greater in the SMG women’s groups compared to other groups. At endline, 57% of the women used their additional income on food, 54% on health care, and 25% on education. Solar Market Gardens have the potential to improve household nutritional status through direct consumption and increased income to make economic decisions.
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Rosamond L. Naylor
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We're being warned of future grain failures—not by the dreams of a biblical Pharaoh, but by modern computer model predictions. Climate science forecasts rising temperatures, changing rainfall patterns, and episodes of increasingly extreme weather, which will harm crop yields at a time when the world's growing population can ill afford declines, especially in its most productive areas, such as the US Midwest. In order to adequately prepare, we call for the establishment of a new field research network across the US Midwest to fully integrate all methods for improving cropping systems and leveraging big data (agronomic, economic, environmental, and genomic) to facilitate adaptation and mitigation. Such a network, placed in one of the most important grain-producing areas in the world, would provide the set of experimental facilities, linked to farm settings, needed to explore and test the adaptation and mitigation strategies that already are needed globally.

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David Lobell’s recent research indicates that negative impacts to the global agriculture system are much more likely, more severe and wider-ranging in the face of human-caused climate change. Temperature increases are the main drier behind these far-reaching impacts.. There are several pathways toward adaptation, though none of them appears to completely offset the losses. Research highlighted in this brief offers insights for institutions and decisionmakers concerned with protecting food security and international stability throughout the coming decades.

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  • We explored the potential to colocate solar installations and agriculture.
  • Water use at solar installations are similar to amounts required for desert plants.
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Solar energy installations in arid and semi-arid regions are rapidly increasing due to technological advances and policy support. Although solar energy provides several benefits such as reduction of greenhouse gases, reclamation of degraded land, and improved quality of life in developing countries, the deployment of large-scale renewable energy infrastructure may negatively impact land and water resources. Meeting the ever-expanding energy demand with limited land and water resources in the context of increasing demand for alternative uses such as agricultural and domestic consumption is a major challenge. The goal of this study was to explore opportunities to colocate solar infrastructures and agricultural crops to maximize the efficiency of land and water use. We investigated the energy inputs/outputs, water use, greenhouse gas emissions, and economics of solar installations in northwestern India in comparison to aloe vera cultivation, another widely promoted and economically important land use in these systems. The life cycle analyses show that the colocated systems are economically viable in some rural areas and may provide opportunities for rural electrification and stimulate economic growth. The water inputs for cleaning solar panels are similar to amounts required for annual aloe productivity, suggesting the possibility of integrating the two systems to maximize land and water use efficiency. A life cycle analysis of a hypothetical colocation indicated higher returns per m3 of water used than either system alone. The northwestern region of India has experienced high population growth in the past decade, creating additional demand for land and water resources. In these water-limited areas, coupled solar infrastructure and agriculture could be established in marginal lands with low water use, thus minimizing the socioeconomic and environmental issues resulting from cultivation of economically important non-food crops (e.g., aloe) in prime agricultural lands.

 

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Sujith Ravi
David Lobell
Christopher B. Field
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Climate change can reduce crop yields and thereby threaten food security. The current measures used to adapt to climate change involve avoiding crops yield decrease, however, the limitations of such measures due to water and other resources scarcity have not been well understood. Here, we quantify how the sensitivity of maize to water availability has increased because of the shift toward longer-maturing varieties during last three decades in the Chinese Maize Belt (CMB). We report that modern, longer-maturing varieties have extended the growing period by an average of 8 days and have significantly offset the negative impacts of climate change on yield. However, the sensitivity of maize production to water has increased: maize yield across the CMB was 5% lower with rainfed than with irrigated maize in the 1980s and was 10% lower (and even >20% lower in some areas) in the 2000s because of both warming and the increased requirement for water by the longer-maturing varieties. Of the maize area in China, 40% now fails to receive the precipitation required to attain the full yield potential. Opportunities for water saving in maize systems exist, but water scarcity in China remains a serious problem.

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Scientific Reports
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In this paper we discuss the scope of the adaptation challenge facing world agriculture in the coming decades. Due to rising temperatures throughout the tropics, pressures for adaptation will be greatest in some of the poorest parts of the world where the adaptive capacity is least abundant. We discuss both autonomous (market driven) and planned adaptations, distinguishing: (a) those that can be undertaken with existing technology, (b) those that involve development of new technologies, and (c) those that involve institutional/market and policy reforms. The paper then proceeds to identify which of these adaptations are currently modeled in integrated assessment studies and related analyses at global scale. This, in turn, gives rise to recommendations about how these models should be modified in order to more effectively capture climate change adaptation in the farm and food sector. In general, we find that existing integrated assessment models are better suited to analyzing adaptation by relatively well-endowed producers operating in market-integrated, developed countries. They likely understate climate impacts on agriculture in developing countries, while overstating the potential adaptations. This is troubling, since the need for adaptation will be greatest amongst the lower income producers in the poorest tropical countries. This is also where policies and public investments are likely to have the highest payoff. We conclude with a discussion of opportunities for improving the empirical foundations of integrated assessment modeling with an emphasis on the poorest countries.

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Energy Economics
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Thomas Hertel
David Lobell
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We assess the benefits of climate change mitigation for global maize and wheat production over the 21st century by comparing outcomes under RCP4.5 and RCP8.5 as simulated by two large initial condition ensembles from NCAR’s Community Earth System Model. We use models of the relation between climate variables, CO2 concentrations, and yields built on observations and then project this relation on the basis of simulated future temperature and precipitation and CO2 trajectories under the two scenarios, for short (2021–2040), medium (2041–2060) and long (2061–2080) time horizons. We focus on projected mean yield impacts, chances of significant slowdowns in yield, and exposure to damaging heat during critical periods of the growing seasons, the last of which is not explicitly considered in yield impacts by most models, including ours. We find that substantial benefits from mitigation would be achieved throughout the 21st century for maize, in terms of reducing (1) the size of average yield impacts, with mean losses for maize under RCP8.5 reduced under RCP4.5 by about 25 %, 40 % and 50 % as the time horizon lengthens over the 21st century; (2) the risk of major slowdowns over a 10 or 20 year period, with maize chances under RCP4.5 being reduced up to ~75 % by the end of the century compared to those estimated under RCP8.5; and (3) exposure to critical or “lethal” heat extremes, with the number of extremely hot days under RCP8.5 roughly triple current levels by end of century, compared to a doubling for RCP4.5. For wheat, we project small or occasionally negative effects of mitigation for projected yields, because of stronger CO2 fertilization effects than in maize, but substantial benefits of mitigation remain in terms of exposure to extremely high temperatures.

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Climatic Change
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David Lobell
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