1.
Evolution Trend of Soil Available N, P and K Contents in Xinmin District
新民市农田土壤有效氮、磷、钾含量变化分析
2.
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
3.
The effects of N,P and K fertilizer applied in plantation of Lycoris radiata
石蒜鳞茎栽培中施用氮磷钾肥的效应
4.
THE SUMMARY OF 3414 INCOMPLETE TEST ABOUT THE EFFICIENCY OF N,P,K TO RICE
水稻氮、磷、钾肥效“3414”不完全试验初探
5.
Study on Determining Methods of Available N, P, K in Chongqing Area Testing Soil for Formulated Fertilization;
重庆地区测土配方施肥中有效氮磷钾测定方法研究
6.
Effects of Different Nitrogen, Phosphorus and Potassium Fertilizers on Availability of Soil Cadmium and Cadmium Uptake by Wheat
不同氮磷钾肥对土壤镉有效性和小麦吸收镉的影响
7.
Effects of N,P,and K fertilizers on growth of Erigeron breviscapus and its active constituents accumulation
氮、磷和钾肥对灯盏花生长和有效成分积累的影响
8.
Effect of Different N,P and K Fertilizers on Soil pH and Available Cd Under Waterlogged Conditions
淹水条件下不同氮磷钾肥对土壤pH和镉有效性的影响研究
9.
The soil organic matter and total N stabilize basically, available P increase while alkaline hydrolyze N decrease obviously in the cornrice rotation.
玉米、稻连作土壤有机质和全氮基本稳定，有效磷呈上升趋势，碱解氮和速效钾下降趋势明显。
10.
④Ample N P K, ⑤ High heavy mental;
④含有丰富的氮磷钾； ⑤重金属含量较高；
11.
Study on Effect of N,P,K Fertilizer on rice in Brown Purple Soil and Economical Benefits
棕紫泥田水稻氮磷钾施肥效应及经济效益研究
12.
Study on N,P and K accumulations at rice grain filling stage and nitrogen efficiency of grain production under different nitrogen fertilizer rates
不同施氮量下水稻灌浆期氮磷钾的积累与氮素籽粒生产效率
13.
Study on the Effects of N, P, K on Yield and Quality of Color Sweet Pepper
氮磷钾对彩色甜椒产量和品质效应的研究
14.
Effect of N,P,K Interaction on the Glycyrrhizic Acid Contents
氮磷钾互作效应对甘草酸含量影响的初步研究
15.
Genetic Differences of N、P、K Absorption and Utilization Efficiency in Waxy Corn;
糯玉米氮磷钾养分吸收利用效率的基因型差异
16.
Studies on the Effect of Nitrogen, Phosphorus and Potassium and Formulated Fertilizer Application of Blueberry;
越橘氮磷钾的施肥效应及配方施肥的研究
17.
Studies on Nitrogen, Phosphorus, Potassium and Microelement Fertilizer Efficiency of Summer Maize in Dry and Impoverished Region;
旱薄区夏玉米氮磷钾及微量元素肥效研究
18.
Effect of Nitrogen, Phosphorus and Potassium Combined Application on Rice Seeding-broadcasting Cultivation with No-tillage;
免耕抛秧栽培水稻的氮磷钾配施及其效应研究