A key component in raising American corn yields in recent decades, nitrogen fertilizer, is more expensive in Africa than in the United States, Lynch says.
几十年来，美国玉米产量提高的关键是氮肥的利用，该肥在非洲的使用成本远比在美国的要高得多，林奇表示。
They are used as fertilizer in New Zealand and as a component of soups and soy sauce in Japan.
它们在纽西兰被当作肥料，在日本则是汤料和酱油成分。
Panicle fertilizer obviously enhanced crude protein content of matured rice grain, but the impact on the relative content of each component was not significant.
穗肥的施用明显提高了成熟期稻米粗蛋白的含量，但对各组分之间相对含量的影响不显著。
Principal component analysis showed the significant difference in soil fungal community compositions between treatment of sole chemical fertilizer and others.
主成分分析结果表明单施化肥处理的真菌群落组成与其他各处理存在显著差异。
Principal component analysis showed the significant difference in soil fungal community compositions between treatment of sole chemical fertilizer and others.
主成分分析结果表明单施化肥处理的真菌群落组成与其他各处理存在显著差异。
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