In addition, the accumulative quantity n, P and K in the soil soluble liquid decreased further when the concentration of PAM increased.
同时，不同浓度pam的试验结果发现，增加PAM浓度能使土壤淋溶液中n,p,K累积量进一步减少。
The quantity of crop nutrients transferred from the system, and the nutrient budget of N, P and K in soil were studied.
研究了在养分循环再利用的基础上采取不同施肥制度下作物养分移出量，并结合施肥量计算出土壤中N、P、K养分收支。
The result reveals that the magnesium acetate in coal can make a reducing action during combustion and reduce the quantity of NO on the conversion course of fuel-N.
研究结果表明，在燃煤中添加醋酸镁后，醋酸镁对燃料氮的释放过程中起到一定的还原作用，可以减少NO的生成。
Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.
所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。
As the cultivate time goes by, the fugus quantity appears in a rising trend, however, the G30 is opposite, the reason n...
随着培养时间的延长，菌体量呈增长趋势，但在G菌发酵30天时出现下降的现象，具体原因还有待于进一步的研究。
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.
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.
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。
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