Experimental crop plants that use nitrogen more efficiently provide the same yields as normal crops with less fertiliser.
能更有效地利用氮肥的实验性农作物能在使用较少肥料的情况下做到和普通农作物的产量一样。
2
Soil nutrients is an important material basis for soil fertility, it directly affects the normalcrop growth and harvest yield and quality.
土壤养分是土壤肥力的重要物质基础，它直接影响作物正常生长发育及收获物产量和质量。
3
Using data from crop trials risks exaggerating the problem, because the plants in such trials are usually well fertilised-unlike most normal maize planted in Africa.