soil available potassium 土壤有效钾
slowly available potassium [肥料] 缓效钾
readily available potassium 速效钾
available potassium content 速效钾含量
rapidly available potassium 速效钾
soil available potassium content 土壤速效钾含量
The content of rapdily available potassium and slowly available potassium in the three treatment were decreased in 2008.
三个处理的速效钾和缓效钾含量2008年均较2007年降低。
参考来源 - 不同耕作方式和轮作模式对河南褐潮土肥力的影响The contents of available nitrogen and phosphorus in the soils were significantly increased by 99% to 168% and 135% to 249%, and the contents of available potassium were enhanced by a range of 10%-15%.
土壤营养物质循环中,有效氮增加了99%168%,有效磷增加了135%249%,有效钾增加了10%15%。
参考来源 - 水稻根系酚酸类化感物质分泌动态及其对土壤生理生化特性的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
The loss of fine soil has the most sensitive impact on available potassium.
土壤细颗粒的损失对土壤有效钾影响最大。
Rapidly available potassium contents in 77.3 % production units were middle.
速效钾含量处于中下水平的生产单位占77.3%；
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。
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