| 1. | Farmers can lose rather than gain if incomes fluctuate because of variations in crop yields and outputs-stable prices can then destabilize incomes .
农作物产量和产值的变化如果引致收入波动，这对农民来说就可能是有害无益，因为稳定了价格可能稳定不了收入。 |
| 2. | A study on the growth of poplars under the trees and crops intercropping condition
杨粮间作系统农作物产量研究 |
| 3. | P . 7 , l3 ) such as soil conditions , is of equal importance to the output of crop
对粮食农作物产量具有同样重要的意义 |
| 4. | Africa and latin america could lose twenty percent or more
非洲和拉丁美洲的农作物产量将会削减百分之二十或者更多。 |
| 5. | However , he said small temperature increases could increase crops in most industrialize nations
但是，他说小幅度的温度升高会增长大多数工业化国家的农作物产量。 |
| 6. | He said that crops will likely decrease in seasonally dry countries as average world temperatures rise
他说在季节性干旱国家农作物产量将很可能减产，如果世界平均温度上升。 |
| 7. | Drought is the major adverse environmental factor that influences on plant growth and development , and decreases crops productivity significantly
干旱是影响植物生长发育和限制农作物产量提高的主要环境因子。 |
| 8. | The study of plant nutrition and growth as related to soil condition , especially to determine ways to increase crop yield
农业生物学；土壤生物学关于植物养分和与土壤条件相关的生长的研究，尤其是对判定如何增加农作物产量方法的研究 |
| 9. | The head of the un food and agriculture organization warned last week that climate change might hurt food production in warm southern areas of the world
联合国粮食农业组织的领导人上周警告说气候变化会伤害气温升高的南部地区农作物产量。 |
| 10. | For example , he predicts that if nothing is done , global warming could cut india ' s food production by up to forty percent by the year 2080
例如，他预言，如果不采取任何措施，到2080年，全球逐渐变暖的气候将会导致印度的农作物产量削减百分之四十以上。 |
