1.
Effects of Nitrogen Application Time on Carbon Assimilate and Nitrogen Translocation and Nitrogen Use Efficiency of Summer Maize
施氮时期对夏玉米碳氮运转及氮肥利用的影响
2.
Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;
不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
3.
Effect of Spring Nitrogenous Fertilizer and Quantity on Physiological Trait and Yield of Ligusticum Chuanxiong
春季施氮时期和施氮量对川芎生理特性和产量的影响
4.
Effects of Nitrogen Application Time on Dry Matter Accumulation and Nitrogen Use Efficiency of Summer Maize
不同施氮时期对夏玉米干物质积累及氮肥利用的影响
5.
Nitrogen Distribution and Yield and Quality of Rice as Related to Nitrogen Application Time by ～(15)N Tracing in Cold Region;
应用～(15)N研究施氮时期对寒地水稻体内氮的分配及产量和品质的影响
6.
Effect of Different Nitrogen Fertilizer Amount and Application Period on Wheat Quality
氮肥施用量及施用时期对小麦品质性状的影响
7.
Effects of Nitrogen Fertilizer Rate and Topdressing Stage on Grain Yield and Quality in Wheat and Relevant Physiological Basis;
施氮量和追氮时期对小麦产量和品质的影响及其生理基础
8.
Effects of N Fertilization at Different Stages on Nitrogenase Activity and Yield of Soybean;
不同时期施用氮肥对大豆根瘤固氮酶活性及产量的影响
9.
The Effect of Nitrogen Application Stage and Amount on Growth and Yield of Rice
氮肥施用时期及用量对水稻生长和产量的影响
10.
Effect of Nitrogen Application Amount at Different Stage on Yield in Rice
不同时期不同施氮量对水稻产量的影响
11.
Wheat fertilization mainly in basal, all organic manure, P and K and half of N fertilizers are applied at plowing, the rest N fertilizer dressed in jointing stage along with irrigation.
小麦施肥主要为基肥，全部有机肥、、和一半氮肥翻地时施入，其余氮肥在拔节期随灌水追施。
12.
Study on Effects of Different Nitrogen Fertilizer Amount and Application Period on Wheat Quality
氮肥施用量及施用时期对普通小麦品质性状的影响研究
13.
Orchards should, at the time of flower initiation, receive an added application of nitrogen to stimulate flower determination.
种子园在花孕育时期应增施氮肥以促进花的定型。
14.
Effects of Different Nitrogen Fertilizer and Their Appling Period on the Yield and Quality of Spring Wheat;
氮肥品种及施用时期对春小麦产量和品质的影响
15.
Effects of Nitrogen Rate and Topping Stage on the Physiological Characteristics and Quality of Oriental Tobacco
施氮量和打顶时期对香料烟生理特性及品质的影响
16.
Different Period of Applied Nitrogen or Potassium Effect on the Yield and Quality of Rapeseed (Brassica Napus L.)
不同时期追施氮、钾肥对油菜产量及品质的影响研究
17.
Studies on Change Law of Nitrogen with the Situation of Long-Term Fertilization in Typical Soils in China
我国典型土壤长期定位施肥下土壤氮素时空演变特征研究
18.
Effect of Different N Supplying Dates on Yield and Content of Protein in Japonica Rice
氮肥不同追施时期对粳稻产量和蛋白质含量的影响