1.
Effects of Sowing Density and Applying Nitrogenous Fertilizer Quantity on the Silage Yield and Quality Development of Foodstuff Maize;
密度和施氮量对粮饲兼用型玉米产量及饲用品质的影响
2.
Effect of Planting Density and Nitrogen Application Rate on Economic Characters and Yield of Corn in Hilly Area
栽培密度和施氮量对丘陵区杂交玉米经济性状与产量的影响
3.
Effects of Planting Density and Nitrogen Rate on Yield and Its Related Traits in Nude Barley Variety Edamai 507
不同密度和施氮量对鄂大麦507产量相关性状的影响
4.
Study on the Effect of Different Densities and Nitrogen Application Amounts on the Yield and Agronomic Characters of Zhengdan 958
不同密度和施氮量对郑单958产量及农艺性状效应的研究
5.
Effect of Nitrogen Application Rates and Plant Densities on the Main Quality Characters of the Two-line Hybrid Wheat Variety Mianzamai 168
密度和施氮量对两系杂交小麦品种绵杂麦168主要品质性状的影响
6.
Effects of Nitrogen Rates,Leaves of Tobacco Remained and Density on Output and Production Value of Flue-cured Tobacco
施氮量、留叶数与密度对烤烟产量和产值的影响
7.
Effects of Nitrogen Application Rate and Transplanting Density on Yield Formation and Nutrient Uptake and Utilization of Super Late Rice
施氮量和移栽密度对超级晚稻产量形成和氮磷钾吸收积累的影响
8.
Study on the Nitrogen and Plant Population of Taste Oriental Tobacco
吃味型香料烟施氮量和适宜种植密度技术研究
9.
Effects of Sowing Date,Planting Density,Fertilizer Rate and Field Water on Late Rice
不同播期、密度、施氮量和水分对晚稻的效应
10.
The Effect of Cultivate Mode, Nitrogen Fertilizer Rate and Planting Density on the Winter Wheat Conpy and Yield Characters;
栽培模式、施氮量和播种密度对冬小麦冠层及产量构成特征的影响
11.
Effects of Nitrogen Levels and Sowing Density on Yield and Nutrition Quality of Broadcast-sowing Rapeseed;
施氮量和密度对机（撒）播油菜产量及营养品质的影响
12.
Effect of Density on Yield and Quality in Wheat at Different Nitrogen Fertilizer Rate and Its Physiological Basis;
不同施氮量条件下密度对小麦产量和品质的影响及其生理基础
13.
Effects of Transplanting Density and Nitrogen Rate on Yield Formation and Grain Quality of Early Hybrid Rice W-Liangyou 3418
施氮用量和栽插密度对杂交早稻W两优3418产量及米质的影响
14.
Effect of N Fertilizer and Density on Yield and Quality of Green Leaves in Barley Supi 3
施氮量和种植密度对苏啤3号大麦鲜叶产量及品质的影响
15.
Effects of Planting Density and Nitrogen Application on Yield Formation of Cassava SC8 (Manihot utilissima pohl)
种植密度和施氮水平对华南8号木薯产量形成的影响
16.
Effects of the Planting Density,Removal Time of Plastic Film and N-fertilization on the Rape Seed Growth Tendency in No-tillage Field
不同密度·揭膜时间和施氮量对免耕油菜生育动态的影响
17.
Effects of Nitrogen Rates,Density and Seedling Age on Dry Matter Accumulation of No-tillage Rape Seedling
施氮量、密度和苗龄对稻田免耕油菜苗期干物质积累的影响
18.
Regression Model of the Density of Dropping Rice Seedlings and the Relation between Amount of Nitrogen Applied and Output;
水稻抛秧密度及施氮量与产量关系的回归模型