Long before the use of machinery and fertilizers, industrious and creative farmers had already used different kinds of methods to increase crop yields.
早在使用机械和化肥之前，勤劳和富有创造性的中国农民就已经采用各种各样的方法来增加农作物产量。
Over the last five decades, improved farming techniques and technologies have helped to significantly increase crop yields along with a 12% expansion of farmed land use.
在过去50年里，改良的农业科技技术显著提高了农作物的产量，耕种面积扩大了12%。
Pineapple farmers in Ghana are using PDAs and bar coding technology to facilitate transport and increase crop yields.
加纳的菠萝种植农正使用掌上电脑和条码技术来促进运输和增加作物产量。
C. Long before the use of machinery and fertilizers, industrious and creative farmers had already used different kinds of methods to increase crop yields.
早在使用机械和化肥之前，勤劳和富有创造性的中国农民就已经采用各种各样的方法来增加农作物产量。
The author comments, "If we are going to make headway in combating hunger due to overpopulation and climate change, we will need to increase crop yields."
作者的看法，“如果我们要战胜人口过多与气候变化导致的饥饿，我们需要增加作物产量。”
Although using chemical fertilizer was a necessary measure to increase crop yields, it could cause a large number of nitrate zone of invalid accumulation in the soil.
尽管施用化学氮肥是提高作物产量的必要措施，但长期大量施用能引起硝态氮在根区以下土层的无效累积。
It is very difficult to teach illiterate people the paths to good health, the advantages of family spacing, the way to increase crop yields, nutrition for their children, and how to earn a living.
要教导不识字的人们了解健康之道、生育间隔的优点、增加作物产量的方法、注重子女的饮食营养乃至于如何谋生，都非常不容易。
There are abundant microorganism and nutrition in sludge which can contribute to the increase in yields and improve crop qualities.
污泥中含有大量的微生物及营养成分，对不同的作物及植物有增产和改善品质的作用。
Rational intercropping can increase not only crop yields, but also iron absorption and utilization and diseases control.
合理间作不但有提高作物产量优势，而且铁的吸收利用效率也会提高，对病害控制有所加强。
Rational intercropping can increase not only crop yields, but also iron absorption and utilization and diseases control.
合理间作不但有提高作物产量优势，而且铁的吸收利用效率也会提高，对病害控制有所加强。
应用推荐