The results of genetic cluster analysis of N utilization efficiency showed that 137 wheat parents could be divided into three types.
小麦亲本氮素利用效率的遗传聚类分析，将137个小麦亲本分为三类。
However, the increase of the two parameters above were not simultaneously, the increment of soil NO3-N accumulation was much higher than that of total N accumulation in wheat plants.
施用氮肥能提高小麦拔节期和成熟期植株全氮积累量和土壤NO3-N积累量，但两者并非同步增加，土壤NO3-N积累量增加的幅度远远大于植株全氮积累量的增长幅度。
The more developed the wheat roots were, the less leachate could be collected, thus, less loss of N fertilizer was observed.
小麦根系越发达，收集到的淋溶液越少，损失的肥料N越少。
Results showed that rational use of chemical fertilizer not only increased wheat yield, but also increased N, P and K content in wheat to some extent.
结果表明，合理施用化肥不但增产幅度大，还在一定程度上增加了小麦N、P、K养分浓度。
The results showed that N fertilizer could improve the nutrition quality of wheat, increase paste strength and flexibility, but decrease paste ductibility.
试验结果表明：施用氮素化肥能明显改良小麦品质，提高小麦营养品质，增强面团强度和筋力，降低面团的延展性；
This indicates that it is one of important reason for wheat yield increase by enhanced harvest index with applying N.
表明施氮提高收获指数是促进小麦增产的主要原因之一。
The nurture role of different fertilizer application strategies was discussed by the measurements of the C and N dynamic of soil microbial biomass in wheat field.
通过测定不同施肥制度下小麦土壤微生物量C、N的动态变化，探讨了不同施肥制度对小麦土壤的培肥效应。
The phosphorus fertilizer is the main restricted factor that the wheat (Jimai20) yield improves. Application of P and N fertilizer could obviously increase the wheat yield.
即在本试验条件下磷肥是济麦20产量提高的主要限制性因素，增施磷肥、适量施用氮肥可以提高其产量。
The physiological and yield effects of different N application methods were studied in high yield winter wheat in 1994~1996.
1996年对高产冬小麦前氮后移施肥方式的产量效应和生理变化进行了研究。
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.
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。
This implied that the relatively high risk of N and P losses through leaching and runoff in Taihu Lake region during season of wheat growth could probably occur after earing stage of the wheat growth.
太湖地区小麦生长季节土壤氮磷向水体迁移的环境风险在小麦抽穗期后相对较高。
The results showed that the efficiency of fertilizer N used by wheat increased and a higher percentage of N absorbed was translocated into grain under the interplanting condition.
结果表明，麦棉套作条件下，小麦对肥料氮的吸收和利用率显著提高，且所吸收的氮素较多地分配到籽粒中。
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用；施硼有利于小麦对磷、钾、锌和锰元素的吸收；
There were 7 wheat parents whose N and P utilization efficiency were high.
氮和磷均高效的亲本材料有7个。
By field located experiment in semi-aired areas of loess plateau for successive 4 years with spring wheat, effects of N fertilizer and residual effect of N fertilizer on spring wheat was studied .
通过在黄土高原半干旱地区施用不同用量氮肥的田间定位试验，对春小麦四年连作条件下氮肥肥效和后效进行研究。
The best carbon source is glucose, and the best nitrogen sources are peptone, beef extract paste and wheat bran. The most favorable ratio of C/N is 40: 1.
结果表明：最适宜的碳源是葡萄糖，最适宜的氮源是蛋白胨、麦麸、牛肉膏，最适宜的碳氮比是40：1。
The best carbon source is glucose, and the best nitrogen sources are peptone, beef extract paste and wheat bran. The most favorable ratio of C/N is 40: 1.
结果表明：最适宜的碳源是葡萄糖，最适宜的氮源是蛋白胨、麦麸、牛肉膏，最适宜的碳氮比是40：1。
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