When feeding the moisture-absorbing and moistened ammonium bicarbonate, the most of available fertilizer feeders are liable to make the fertilizer bridging, adhering and blocking up.
国内现有的一些排肥器，在排施易吸湿、潮解的粉状碳酸氢铵化肥时，多数容易引起架空、粘附、堵塞等现象。
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 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。
In the rich sparingly soluble phosphorus soil. Phosphorus bacteria fertilizer could increase the content of soil available phosphate.
在富难溶性磷土壤上，施用磷细菌肥可以提高土壤速效磷含量。
Nitrogen application is the most effective way to adjust of the structure of yields. The rational nitrogen fertilizer technology is one of the available measures for improving the soybean yields.
氮肥的运筹方式是调节产量结构的最有效方式，合理施用氮肥是提高大豆产量的有效途径。
The increase in available P due to P fertilizer application and the yearly decrease in available P after pot culture varied greatly with soil types.
施磷肥处理所增加的有效磷比例和盆栽后土壤有效磷量逐年下降幅度因土壤类型不同而差异很大。
The effect on K supplying of organic fertilizer was more clearly related to soil slowly available K.
有机肥供钾效果与土壤缓效钾关系较密切。
Capacity of the soil to retain and store potash fertilizer in plant-available form.
土壤保持和贮存钾肥呈植物有效态的能力。
K fertilizer efficicency on various crops seemed to de relevant to N/K ratio in the available nutrient of soil.
不同作物施钾肥效高低似与土壤速效养分中N/K比值有关。
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.
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 utilization ratio of phosphate fertilizer in potatoes was negatively correlated to available phosphorus in soil.
马铃薯磷肥利用率与土壤速效磷含量呈负相关。
According to the economic benefit of zinc-fertilizer, the utilization demarcations of soil available zinc were defined.
根据锌肥的经济效益拟定了土壤有效锌利用分区。
Trace elements fertilizer is rarely used in this region which leading to a decrease on the content of soil available iron, available Manganese, and available copper.
当地农户施用微量元素肥料很少，造成土壤有效铁、有效锰和有效铜含量的下降。
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。
Ginger specific humic acid fertilizer increased the soil organic matter content, total nitrogen content, available nitrogen content, available phosphorus content.
生姜专用腐植酸复混肥提高了土壤有机质含量，土壤全氮、碱解氮和速效磷含量。
Thus bioorganic fertilizer increased the organic matter and available K contents, microorganism numbers and invertase activity in soil, and increased fresh cassava yield and starch yield.
这表明施用生物有机肥能提高土壤有机质、速效K含量和微生物数量，增强土壤转化酶活性，并能提高鲜薯产量和淀粉产量。
So we suggest that if the soil has high organic matter contents and available nutrient, it should applied less or no cake fertilizer.
因此，建议在有机质含量和速效氮较高的植烟土壤上少施或不施饼肥。
So we suggest that if the soil has high organic matter contents and available nutrient, it should applied less or no cake fertilizer.
因此，建议在有机质含量和速效氮较高的植烟土壤上少施或不施饼肥。
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