M²öC,óJwFK肥料施用量 合理性 潜力 [gap=8446]Key words: rice fields; application rates of fertilizers; nationality; potential
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在一定的范围内，随氮、钾肥料施用量的增加，西葫芦植株的株高、茎粗及根、茎、叶的鲜重均增加。
The main results were as follows:1. N, K affected pumpkin's growth. In a certain range, plant growth increased when the quantity of fertilizer increased.
用静态箱法对冬小麦不同基肥施用方式(表施、深施)和不同施用量下的土壤NO排放通量进行了研究，结果表明：肥料在土壤中的位置对NO排放通量的影响非常显著。
Effect of different basal-dressing application methods and different amounts of fertilizer on NO emission from the soil grown with winter wheat was studied with the technique of static chamber.
但化学肥料尤其是氮肥施用量过多，极易导致产品质量下降、环境污染等问题。
But the use of much fertilizer results in decreasing of quality and a series of serious entironment problems.
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