1.
Study on the Suitable Applying Amount of Nitrogen and Phosphorus Fertilizer on the Tide Soil Cotton Field in Binzhou City;
滨州市潮土土壤棉田氮磷化肥适宜用量的研究
2.
Effects of NP Fertilizers on Activity of Copper and Lead in Meadow Cinnamon Soil and Their Phytoavailability;
氮磷化肥对潮褐土铜铅活性及其植物效应的影响
3.
The optimum ratio of N:P:K should be 2. 1:1: 0. 4.
化肥氮磷钾比例应是2.1∶1∶0.4。
4.
Study on the Effects of Nitrogen, Phosphorus and Potassium Optimum Fertilization on Export Broccoli Production;
出口青花菜氮磷钾优化施肥效应研究
5.
Studies on Nitrogen,Phosphorus and Potassium for Mulation Apply Fertilizer of Hubei Maidong;
湖北麦冬氮、磷、钾优化配方施肥研究
6.
The Study on New Technology of Using Fertilizer Nitrogen and Phosphorus Efficiently;
氮、磷化学肥料高效利用新技术探索研究
7.
Study on the Nutritive Characteristics and Optimum Application of Waxy Corn in Hainan;
海南糯玉米氮、磷、钾营养特性与优化施肥研究
8.
Impact of Long-term Chemical Fertilizer Application on Nitrogen, Phosphorus and Enzyme Activities of Black Soil;
长期施用化肥对黑土氮、磷及酶活性的影响
9.
The Transformation of Nitrogen and Phosphorus Forms during Co-Composting of Sewage Sludge and Straw Biomass.;
污泥与秸秆堆肥过程中氮、磷形态变化研究
10.
Effects of Se,N P K Fertilization, Film-covered on the Selenium Absorption and Distribution, Yield and Quality of Potato
硒肥、氮磷钾化肥、覆膜对马铃薯硒素吸收分配及产量、品质的影响
11.
Effects of Chicken Manure and Chemical Fertilizer Application on Soil Fertility and Transfer of Soil N and P in Rice-wheat Rotation Systems
施用鸡粪和化肥对稻麦轮作农田土壤肥力和氮磷迁移的影响
12.
Effects of Amount of Chemical and Organic-Inorganic Compound Fertilizer on N &P Loss in Coastal Saline Region,Zhejiang Province
化肥用量和有机无机复混肥对浙江海涂区氮磷损失的影响
13.
By using plot experiment, the paper studied nutritional effects of N P K fertilizers and the effect on seasonal changes in concentrations of N P K and their distribution patterns on sugarbeet.
研究了淋溶黑钙土土壤施用氮磷钾肥对甜菜体内氮磷钾浓度的变化和分布模式的效应。
14.
Effect on Animal Manure Composting and Transformation of Nitrogen and Phosphorus with Different Aeration Control Modes;
通风控制方式对动物粪便堆肥过程和氮磷转化的影响
15.
The Relation of N and P Nutrient Character in Phaeozem Surface Runoff and Fertility Degeneration;
黑土地表径流氮磷养分特征及其与肥力退化的关系
16.
Study on Absorption and Distribution of Nitrogen, Phosphorus, Potassium and the Optimum Fertilization Scheme of Onion;
洋葱对氮磷钾吸收分配规律及优化施肥方案研究
17.
Studies on Changes of Nitrogen and Phosphorus in Surface Water and Soil Profile of Paddy Fields Affected by Fertilization and Nutrient Management on Chengdu Plain;
施肥对成都平原稻田土、水层氮磷变化特征的影响及养分管理研究
18.
Study on the Nutritive Characteristics、Optimum Application and Breed Rejuvenation of Curcama Kwang Sinesis;
广西莪术氮、磷、钾营养特性、优化施肥与品种复壮研究