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- The slowly available potassium was increased, especially in cotton florescence. 腐植酸提高土壤缓效钾含量的作用主要表现在棉花花铃期；
- 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。
- It has been shown that farmland consolidation causes a big change of available phosphorus, available potassium and active organic matter in soil. 调查和分析结果表明 ,土地整理前后土壤中速效磷、速效钾和活性有机质均发生明显变化 ;
- Long-term application of chemical fertilizers or organic manures the nutrient contents in soil was increased, except available potassium. 施用化肥或有机肥除有效钾外，土壤养分均有增加。
- The experiments of potassium nutrition in papaya (Carica papaya L.) showed that leaf blight was caused by available potassium deficiency in soil where papaya was planted. 摘要对番木瓜叶枯病与植株营养、土襄相关养分的关系等进行研究，结果表明，番木瓜叶枯病是由于土壤有效钾缺乏而导致的一种生理性缺钾症；
- The available nitrogen and phosphorus contents in root rhizosphere were greater than those in bulk soil, while its content of the available potassium was lower. 根际碱解氮和有效磷含量高于非根际土壤，其速效钾含量却低于非根际土壤。
- Activities of polyphnol oxidase and urease have negative correlation with organic matter, available nitrogen, available phosphorus and available potassium. 而多酚氧化酶和脲酶活性与土壤有机质，氮、磷、钾的有效性呈负相关。
- Generally,when the content of rapidly available potassium in the soils is more than 30mg k/100g soil or there is a huge amount of plant ash in the manure applied,the efficiency of chemical potassium fertilizers is not so obvious. 一般当土壤速效钾(K)大于30mg/100g±或所施农肥中含有大量草木灰时肥效就不明显。
- The content of organic matters, available phosphor, available potassium and alkali-hydrolyzable nitrogen in the capsicum rhizosphere soil was less than those of capsicum non-rhizosphere. 各处理根际土壤有机质、有效磷、有效钾含量均低于非根际土壤，但碱解氮含量表现为根际土壤高于非根际土壤。
- In addition, soil organic matter, alkali-hydrolyzable-N, available potassium and available phosphorus were main factors of energy and nutrition for growth and activities of microorganism. 土壤有机质、碱解氮、速效磷和速效钾是微生物生长和活性的主要能源和营养因子。
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车，但是拉不动。
- Nothing could avail the dying patient. 没有任何东西能挽救那个濒死者
- Deodorants are available as aerosols or roll-ons. 除臭剂有喷雾装或滚抹装。
- The advice we got was of no avail. 我们得到的建议完全没用。
- Such a statement will not avail. 这样的声明没有什么用。
- The medicine did not avail against the disease. 这种药对这种病没有产生疗效。
- Speeches and protests were of no avail. 演讲和抗议全都徒劳。
- Potassium is necessary to the existence of all living things. 钾是所有生物生存必须的。
