土壤速效钾有下降的趋势。
结果表明：土壤速效钾含量随沸石施用量的增加而增加；
The results showed that the content of available potassium in soil increased with clinoptilolite application increase.
与甘蔗地土壤比较，辣椒地土壤速效钾含量呈降低趋势。
The content of soil quick-acting potassium in the chilli field is lower than the soil in the sugarcane field.
在烟株的整个生育过程中，土壤速效钾含量一直在降低，土壤全钾含量变化幅度较小。
During the whole growing period, the soil available potassium contents were always detracting, but the contents of total potassium in soil had changed little.
试验表明，秸秆还田对土壤速效钾、非交换钾的影响最大，对矿物钾和全钾的影响很小。
The results showed that the effect of straw returning on available K and non-exchangeable K were more notable than mineral K and total K.
PBC与玉米子粒和总干物质相对产量之间达极显著相关、与土壤速效钾之间达显著相关。
PBC were very significantly correlated (p-0.01) with the relative grain yield and relative total dry matter yield of corn, and significantly correlated with soil available K.
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 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，研究区域内的土壤速效钾和缓效钾含量都存在极强的空间相关性，在整个区域的空间分布具有相似性。
The results indicated there were strong spatial dependence of the items, and the spatial distributing pattern of the items was similar in the study region.
随着厩肥和麦秸施用量的增加，土壤速效钾和缓效钾基本是成比例地增加，钾素有效转化率并未因施用量提高而明显降低。
The results showed that the potassium supplying capability of K fertilizer was lower than that of wheat straw, but slightly higher than that of manures.
结果表明：供试土壤施钾后不仅提高耕层土壤速效钾含量，而且也很快向缓效钾方向转化，转化量随钾肥用量的提高而增大。
The results showed that the application of potash could raise both the contents of the fast available K and the slowly-released K in soil.
土壤速效磷和土壤速效钾与其它土壤养分指标相比变化幅度较大且趋势不一致，土壤速效磷在2005年有先上升后下降的过程，而在2006年表现为较为平缓的上升。
The result showed that the contents of the total nitrogen organic matter and available nitrogen in the soil gently increased in 2005, but were fluctuated at a certain level in 2006.
描述了在速效钾缺乏的土壤上，施用钾细菌制剂对水稻生长发育的促进作用。
Beneficial effects of Bacillus mucilaginosus preparation on the growth of rice plant in the potassium deficient soil are described in the paper.
土壤中的有机质、碱解氮、速效磷、速效钾的含量均比对照增加。
And it could improve the contents of organic matter, alkali - hydrolyzable nitrogen, available phosphorus and potassium in soil.
结果表明：从1982年到2004年，研究区土壤速效磷和速效钾的含量都有所增加，前者增加更为显著。
The results showed that the average content of soil AP and AK went up from 1982 to 2004, and the former increased more significantly.
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。
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
在陕西眉县选择农田土壤养分含量不同的地块，研究不同含量的有机质，碱解氮、速效磷、速效钾与玉米果穗穗部性状及产量的关系。
In order to study the relationship between yield, maize ear treats and organ matter, N-OH, available P and K, we selected field block with different soil nutrition in Mei county, Shaanxi province.
结果表明，施用钾肥能明显提高土壤钾库中的速效钾和缓效钾含量，但对土壤全钾含量影响不大；
The results showed the average contents of available K, slowly released K in potassium pools in tea-grown soils were significantly increased by potassium fertilizer.
雨强比坡度对土壤、缓效钾和速效钾的流失影响更大。
Rain intensity has more effect on the loss of soil, slowly available K, and rapidly available K than slope gradient.
坡度比雨量对土壤、缓效钾和速效钾的流失影响更大。
Slope gradient has more effect on the loss of soil, slowly available K, and rapidly available K than amount of rainfall.
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。
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.
对临泽县主要土壤类型的有机质、全氮、全磷、速效钾、速效磷、全盐量、ph值进行了化验分析。
Analyzing the organic matter, Nitrogen, Phosphorus, Fast working Kalium, Fast working Phosphorous, total salt quantity and ph value of the main type of soil in Linze county.
逐步回归显示，土壤有机质、速效磷、速效钾和阳离子交换量对烟叶品质有较大的影响；
The results of stepwise multiple regression analysis show that OM, AK, AP, and CEC are the key tobacco quality-limiting factors.
该县土壤有机质含量、全氮含量、速效磷含量分别增加了57%、22%、303%，速效钾含量则降低了6%。
Soil organic matter, total nitrogen and OlsenP were increased by 57%, 22% and 303%, respectively, while NH4OAC-K was decreased by 6%.
结果表明：供试土壤中速效钾的动态变化特征各异，其“最低值”的大小和出现的茬数也不相同。
The results showed that the average contents of soil total potassium STK and soil available potassium SAK were 21.
土壤施用硫酸钾后速效钾含量提高。
The exhangeable K was increased by the application the potassium sulfate…6.
土壤施用硫酸钾后速效钾含量提高。
The exhangeable K was increased by the application the potassium sulfate…6.
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