grain growing Articles
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Predicting precipitation on nonpoint source pollutant exports in the source area of the Liao River, China
The source area of the Liao River is an important grain growing area in China which experiences serious problems with agricultural nonpoint source pollution (NPS) which is impacting the regional economy and society. In order to address the water quality issues it is necessary to understand the spatial distribution of NPS in the Liao River source area. This issue has been investigated by ...
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U.S.-India: Dealing With Monsoon Failure
The scene plays out in India. At a reception, I met the head of Indian operations for Esso (now ExxonMobil). When I asked him how business was, he said it was great. In particular, diesel sales to fuel irrigation pumps were nearly double the previous year’s level. Why? Because farmers were pumping continuously to try to save their crops. Soon after, I met an embassy staff person, an avid ...
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Determination of a critical nitrogen dilution curve for spring wheat
Plant-based diagnostic tools of N deficiency can be based on the concept of critical N dilution curves describing whole-plant critical N concentration (Nc; g kg–1 of dry matter [DM]) as a function of shoot biomass (W; Mg DM ha–1). This has been tested for several crops, including winter wheat (Triticum aestivum L.) but has not been tested for spring wheat. Our objectives were to determine a ...
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Rethinking food production for a world of eight billion
The World Food Programme and the Chinese government jointlyannounced that food aid shipments to China would stop at the end of theyear. For a country where a generation ago hundreds of millions of peoplewere chronically hungry, this was a landmark achievement. Not only hasChina ended its dependence on food aid, but almost overnight it has becomethe world’s third largest food aid donor. The key ...
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