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.
Effect of Long-term Fertilization on Changes and Availability Supply Capality of P,K in Fluvo-aquil Soil
长期施肥对褐潮土磷、钾状况及速效供应能力的影响
3.
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
4.
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
5.
at a more advanced stage clearer deficiency symptoms start to appear.
进一步缺钾时，开始出现较明显的缺钾症状。
6.
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
7.
The Status of Nutrients and Effect of Potassium Fertilizer of Orchard in Shaanxi Province;
陕西省果园养分状况和钾肥肥效研究
8.
Current Research Situation of Potassium Nutrition of Tobacco in China
我国烟草钾素营养的研究现状及探讨
9.
Past,current status and future prospect of langbeinite fertilizer
硫酸钾镁肥的过去、现状和未来前景
10.
The current status and outlook for the production of primary potash fertilizer in China
我国一次钾肥的生产现状与未来展望
11.
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
12.
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
13.
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
14.
Analysis shows that the soil P is rich and K is lack in most area of China.
表现出的农田养分平衡状况是磷有余而钾不足。
15.
Present Situation and Prospect of Technology of F_2 TaF_7 Sodium Reduction for Ta Powder Production
氟钽酸钾钠还原生产钽粉的工艺现状及展望
16.
Current Situation of Potassium in Soil in Main Flue-cured Tobacco Area of Xinyang City
信阳市烤烟主产区土壤钾素资源现状分析
17.
The content of K, Na, Ca and Mg in five groups of Suxiaoweiningchongji was determined by AAS.
用原子吸收法测定了5批速效胃宁冲剂中钾、、、的含量。
18.
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