1.
Quick-acting Potassium Status of Farmland in Ankeng and Effects of Adding Potassium
安康耕地土壤速效钾现状与钾肥效应
2.
Spatial and Temporal Variation of Soil Available Potassium in the Field of Wheat-rice Double Cropping;
稻麦两熟农田土壤速效钾时空变异及原因分析
3.
Effect of free air carbon-dioxide enrichment on soil available K in rice-wheat rotation system
开放式空气CO_2浓度升高对水稻/小麦轮作土壤速效钾的影响
4.
Convertibility of the Data Determined by ICP-AES and FAAS for Soil Available K and Na
ICP-AES法与传统FAAS法测定土壤速效钾和钠的数据可转换性研究
5.
Using NIRS to Predict the Content of Available Nitrogen, Phosphorus and Potassium in Soil
近红外光谱法快速测定土壤碱解氮、速效磷和速效钾含量
6.
Study on the Spatial Variability of Soil Available Phosphorus and Available Potassium in Populus Tomentosa Planted Land in Western Plain of Shandong Province
鲁西平原毛白杨造林地土壤速效磷和速效钾空间变异性研究
7.
Effects of Organic Manure Application on the Content of Available Phosphorus and Potassium in Tobacco-growing Soil
施用有机肥对植烟土壤速效磷和速效钾含量的影响
8.
Effects of water conditions on available potassium contents in red soil and yellow-cinnamon soil
不同水分状况对红壤和黄褐土速效钾含量的影响
9.
Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption
ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展
10.
Spatial variability of soil available N,P and K and influencing factors
土壤速效氮、磷、钾含量空间变异特征及其影响因子
11.
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。
12.
STUDY ON THE CRITICAL VALUE AND SUITABLE AMOUNT OF QUICK-ACTING POTASSIUM IN MEADOW SOIL
草甸土速效钾临界值及适宜施钾量的研究
13.
Effect of long-term potassium application on irrigated soil potassium and on the yield and nutrient of crops
灌淤土区长期施钾对作物产量与养分及土壤钾素的长期效应研究
14.
Study on Determination Methods for Available Nitrogen and Potassium in Soil Testing and Fertilizer Recommendation;
测土配方施肥中土壤有效氮钾测定方法研究
15.
Study of the Available Nutrient Use Efficiency of Phosphorus and Potassium in Red Soil, Fluvo-aquic Soil and Black Soil;
红壤、潮土、黑土中磷钾有效养分利用系数研究
16.
Ammonium sulfate and potassium sulfate were used as sources of N and K because these sources are more efficient in these soil conditions.
用硫酸铵和硫酸钾作氮和钾肥源因其对该土壤条件更有效。
17.
Study on Soil K-supplying Potential and Potassium Application Effect on Red Soil and Yellow Cinnamon Soil under Different Planting Patterns
不同种植方式下红壤和黄褐土的供钾能力与施钾效果研究
18.
Effect of Several Nitrogenous and Potassium Fertilizers on Availabilities of Plumbum and Cadmium in Plumbum or Cadmium Polluted Soil;
不同氮钾肥对铅镉污染土壤铅镉有效性的影响