| 1. | This decline is soon reflected in the yield of crops .
这种下降马上反映到作物产量上。 |
| 2. | It is easy to demonstrate that the addition of inorganic fertilizers makes rapid and significant improvements in crop yields .
加入无机肥料迅速明显地增加作物产量，这一点很容易证实。 |
| 3. | One argument in favor of supporting agricultural prices is that it stimulates agricultural technology and boosts crop yields .
有一种观点认为农业价格支持可以刺激农业技术的发展并提高作物产量。 |
| 4. | Modification and simulation of the model of crops yield
作物产量模型的修正和拟合。 |
| 5. | Monitoring crop yield using noaa avhrr - based vegetation indices
基于植被指数的作物产量监测方法研究 |
| 6. | Effect of long - continuous fertilization on crops yield in shajiang black soil
长期连续培肥对作物产量的影响 |
| 7. | The press - hard of field black - soil and it ' s influence on the yield of grain
农田黑土机械压实及其对作物产量的影响 |
| 8. | Maybe more information on parameters of maximum crop yields need be generated
也许要有更多的最高作物产量参数的信息。 |
| 9. | Nitrogen fertilizer distribution depends on the soil fertility and the crops yield goals
氮肥分配取决于土壤肥力和作物产量目标。 |
| 10. | Prices fluctuated violently from the irregularity of the crops ( lesley b . simpson
由于作物产量不稳定导致价格剧烈波动（莱斯利b ?辛普森） 。 |
