1·Biomasses of potato were not different among three treatments of potassium fertilizers.
滴施不同钾肥对马铃薯植株生物量的积累差异不显著；
2·The effects of interaction among nitrogen, phosphorus and potassium fertilizers on salt content and ion composition in greenhouse were studied through laboratory incubation experiment.
通过室内模拟培养实验，研究了氮、磷、钾肥交互作用对设施土壤盐分含量与离子组成变化的影响。
3·Nitrogen fertilizer and compound fertilizer are suitable for the seeding period, while compound fertilizer, phosphorus and potassium fertilizers are suitable for the period of root forming.
苗期适用氮肥及复合肥，块根形成期适用复合肥及磷钾肥。
4·Accumulation of excessive exchangeable potassium is from the use of mixed fertilizers or manure.
由于施用混合肥料或厩肥使交换性钾过渡累积。
5·Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid respectively and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
6·Management of potassium resources refers to the rational application of potassic fertilizers and also includes the preservation of potassium fertility in the soil and its effective use.
钾素资源管理不仅指钾肥的合理施用，也包含了土壤中钾素肥力的保持和有效利用。
7·Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid, respectively, and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
8·Any of several compounds containing potassium, especially soluble compounds such as potassium oxide, potassium chloride, and various potassium sulfates, used chiefly in fertilizers.
钾盐一种含钾的化合物，尤指如下可溶性化合物：氧化钾、氟化钾以及各种硫酸钾。