He had come to Mexico in 1944, leaving a good job at DuPont, to increase grain yields, and to bring these half-starving people food.
1944年，他来到墨西哥，辞去了杜邦公司的一份好工作，目的是提高粮食产量，为这些处于半饥饿状态的人们提供食物。
Every rise of one degree Celsius means a ten percent reduction in grain yields.
每升温摄氏一度意味着农作物减产一成。
In Pakistan and India, two of the nations that benefited most from the new crop varieties, grain yields more than quadrupled over the period.
在巴基斯坦和印度，这两个从新粮食作物品种中受益最多的国家，在那段时间粮食产量增长了四倍以上。
As a result, grain yields are below one tonne per hectare in most of the region.
因此，大多数地区的农作物产量每公顷还不足一吨。
The results obtained were listed as follows. Compared to Elio , grain yields of Nanguang were more than 50% under two N rates.
结果表明，在两个供氮水平下，氮高效水稻南光的产量均显著大于氮低效水稻，增幅在50%以上。
There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.
覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。
There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.
覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。
应用推荐