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。
The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.
钾肥的增产效率在两种氮肥水平下都较高，单位钾肥的增产量与土壤有效钾含量及施钾量呈极显著负相关；
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
土壤碱解氮、速效磷和速效钾等养分的含量是指导科学施肥的重要依据之一。
Available potassium and slow-released potassium contents were decreased, and total potassium content was changed insignificantly in the soil of mono-application of nitrogen fertilizer.
单施氮肥的土壤，速效钾、缓效钾含量均降低，全钾含量变化不明显。
The result shows that the content of slow-release potassium and available potassium is low. Theamount of available potassium and fixed potassium increase with increasing amount of applied potash.
结果表明，风沙土钾素含量较低，土壤速效钾含量及被土壤固定的钾量均随着施钾量的提高而增加。
The yield increase of K fertilizer for wheat was closely related to the content of available K in soil and potassium application rate.
小麦钾肥的增产效应与土壤有效K含量和施K量有极大关系。
The results showed that the content of available potassium in soil increased with clinoptilolite application increase.
结果表明：土壤速效钾含量随沸石施用量的增加而增加；
Soil total potassium content, soil available phosphorus, soil total potassium content and soil available potassium, Their variation is not obvious.
而土壤全磷、土壤全钾、土壤有效磷、土壤有效钾随着土壤深度的增加，其变化规律不明显。
The available phosphorous, available potassium and soil organism content were not conspicuously influenced by the grazing time.
速磷、速钾、土壤有机质的含量受放牧时间的影响不明显。
The available phosphorous, available potassium and soil organism content were not conspicuously influenced by the grazing time.
速磷、速钾、土壤有机质的含量受放牧时间的影响不明显。
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