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。

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Soil nutrients is an important material basis for soil fertility, it directly affects the normal crop 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。

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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.

但是使用来自农作物实验的数据要冒夸大问题的风险，因为此项实验中的农作物通常是得到良好肥料的——这不同于大多数非洲普通的玉米作物。

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The results of the experiments, reported in the journal Science, show that the modified plant can thrive even when salt levels are twice the amount that would kill a normal crop of corn.

BBC: GM plant battles salt

If the corn crop sees normal weather, then yields can still be good.

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Cotton prices have already started to fall and we believe this trend will continue throughout most of 2011 as the normal supply of the crop from China resumes.

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