P had more important effects on corn qualities than K. Compared with CK, long-term N-applying only could improve the corn nutrition, but decrease the flour ash content and starch viscosity.
长期单施氮肥较不施肥的对照（CK）玉米籽粒营养品质有一定的改善，但籽粒粗脂肪含量和淀粉粘度有不同程度的下降。
To investigate the changes of soil hydrolase activities under application of corn straws with manure, N and P fertilizer, a field experiment was conducted.
通过田间试验，进行了玉米秸秆与厩肥、N肥和P肥配合施入农田后土壤中水解类酶活性变化的研究。
Effect of sowing time on n, P, K and the nutrient accumulation of sweet corn seed.
不同播期对甜玉米籽粒n,p,K及可溶性糖的积累的影响研究。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
为了确定影响膜上灌玉米生长发育的主要因素，采用正交试验研究单种玉米小畦膜上灌条件下，不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
Commodity brokers in the Corn Exchange reacted swiftly to news about crop failure in N. America.
谷物交易所得商品经纪人对北美作物歉收的消息做出迅速反应。
The synthesis of a new nitrosamine, N-1'-methylacetonyl-N-3-me- thylbutyl nitrosamine, isolated from fungus-contaminated fermented corn-bread in Linxian County was reported.
本文报道在林县霉变食物中发现的一种新亚硝胺，即N-3-甲基丁基-N-1’-甲基丙酮基亚硝胺的合成方法。
The synthesis of a new nitrosamine, N-1'-methylacetonyl-N-3-me- thylbutyl nitrosamine, isolated from fungus-contaminated fermented corn-bread in Linxian County was reported.
本文报道在林县霉变食物中发现的一种新亚硝胺，即N-3-甲基丁基-N-1’-甲基丙酮基亚硝胺的合成方法。
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