您要查找的是不是：
- The results showed the growth of Cunninghamia lanceolota seedlings was improved by the rotation of Oryza sativa and Cunninghamia lanceolata, and the soil available nutrients increased. 结果表明：用水稻等作物与杉木轮作后，杉木苗生长状况改善，土壤有效养分和速效养分增加。
- soil available nutrient coefficient 土壤有效养分系数
- Study of Soil Available Nutrient Spatial Variability 土壤速效养分空间变异研究
- Effects of mixed planting legume and Eucalyptus on soil available nutrients 桉树与豆科植物混交种植对土壤速效养分的影响
- Classification of Equations of Dispersed Fertilizer Response Functions and their Relativities with Soil Available Nutrients 多点肥料效应函数方程分类与土壤养分相关性研究
- Effects of Recommended Zinc Application According to Soil Testing on Yield Components of Rice and Soil Available Nutrients 测土推荐施锌对水稻产量结构及土壤有效养分的影响
- Dynamic Change of Soil Available Nutrient under Different Cultivation Way in Field of Flu-cured Tobacco in Guiyang 桂阳烤烟田间不同栽培方式土壤速效养分动态变化
- Variation of Soil Available Nutrient Contents in Farmlands at Different Growth Stages of Spring Wheat in Irrigating Region of Ningxia 宁夏引黄灌区春小麦不同生育期土壤有效氮磷钾养分含量的动态变化特点
- Clay contains available nutrient elements. 粘土会有有用的营养元素。
- soil available nutrients 土壤速效养分
- soil available nutrient 土壤有效养分
- Peaty soil contained high content of organic matter, but it was too aci dic and infertile with respect to available nutrients and therefore was hard to be directly utilized. 泥炭土有较高的有机质含量，但土壤过酸，速效养分含量过低，难以直接利用。
- Expect K2SO4, others could improve economic benefit of planting alfalfa;all fertilizers could increase content of available nutrient in soil. 除硫酸钾外均可提高苜蓿种植的经济效益，均可提高土壤有效养分含量。
- Furthermore, the application of the new type of fertilizer was beneficial for the mineralization of N.P.K and increased available nutrient contents in the soil. 而且，施用新型有机无机复混肥后有利于土壤N，P，K矿化，提高了有效养分含量。
- The dynamic properties of enzyme activities and the number of microorganism and main available nutrients were measured in rhizosphere of cherry applying pot culturing tests. 摘要采用盆栽试验研究了樱桃根际土壤酶活性、微生物种群数量及速效性养分动态变化及其相互关系。
- The content of soil available Sulphur was decreased after harvesting cole and radish. 另外种植油菜和四季萝卜的土壤，有效硫的含量较种植前略下降；
- This paper studies the fertilization of gangue weathering matter centered around its serious deficiencies in organic active matter and available nutrients. 围绕煤矸石缺乏有机活性物质及有效养分的问题，在矸石山复垦种植时，对施肥作了试验研究。
- And the increase rates of soil available phosphorus and slowly available phosphorus were MCSWFC＞CSU＞SFC. 土壤速效磷、缓效磷的增幅均为田菁水植养鱼处理＞田菁旱作处理＞蓄淡养鱼处理。
- Soil fungi number and urease activity were negative correlation with soil available potassium content. 土壤真菌数量、脲酶活性与有效钾含量呈负相关。
- Compared with CK, soil available P increased by 10-fold and 3-fold with the treatment of NPKM and NPK+straw, and 3-5 fold with NP, PK and NPK. 氮磷钾配施有机肥速效磷含量比不施肥增加10倍以上,而氮磷钾配施秸秆比对照增加3倍;
