盆栽试验指出：不施用cn。
结论该方法可降低生产成本，不施用有毒有害的溶剂，实现清洁生产。
ConclusionThis method can reduce the cost of production without toxic and harmful solvents and it can realize clean production.
长期不施用氮肥会使玉米叶片内叶绿素的形成受到限制，不利于有机物质的合成；
Without N fertilizer for years, it will strain synthesis of chlorophyll in maize leaf, and it will go against the synthesise of organic matter. N fertilizer is in favor of the widening o…
此外，这是非常重要的人与镰状细胞性状应得到高水平的氧期间，一般不施用麻醉剂。
Also, it is important that people with Sickle cell trait should receive high levels of oxygen during general anaesthetics.
不施用有机肥时，水溶性无机态氮为水溶态氮素流失的主要形态，所占比例在60％左右；
Without the application of manure, the inorganic nitrogen is the main pattern of the water-solution nitrogen loss, occupying about 60%.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
在低、中、高剂量处理下，施用生物有机肥处理的苹果根系中镉含量比不施用生物肥处理分别降低了12%，15%，24%。
With the low, medium and high dose treatments, they are separately 12%, 15% and 24% lower in bio-fertilizer treated root than untreated ones.
畜牧业养殖产生的粪便污染和不恰当施用化肥而导致土壤、水质和大气污染已经引起人们越来越多的关注。
The pollution of soil, water and atmosphere caused by dung pollution of animal breeding and inappropriate application of chemical fertilizer has received more and more attention.
结果表明：不论何时施用穗肥，其产量与不施稳肥的比较，无明显不同；
The results showed that there was little difference in the yield of rice or its economic properties between the fertilized and the control plot.
结果表明：不论何时施用穗肥，其产量与不施稳肥的比较，无明显不同；
The results showed that there was little difference in the yield of rice or its economic properties between the fertilized and the control plot.
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