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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;
- slowly available potassium 缓效钾
- 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。
- And the increase rates of soil available phosphorus and slowly available phosphorus were MCSWFC>CSU>SFC. 土壤速效磷、缓效磷的增幅均为田菁水植养鱼处理>田菁旱作处理>蓄淡养鱼处理。
- 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 total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase . 降雨后土壤的总孔隙度下降,通气孔隙下降较明显,同时速效孔隙和迟效孔隙增多。
- 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。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The tuck slowly ploughed through the mud. 车在泥泞中吃力地缓慢行驶。
- After a long coma the sick man slowly came back. 昏睡了好久以后,那个病人慢慢地恢复了活力。
- Sloths live in trees and move very slowly. 树獭生活在树上而且行动缓慢。
- He walked too slowly to catch up with me. 他走得太慢而不能跟上我。
- It has slowly dawned upon us that he will not help. 我们慢慢认识到他是不会帮助我们的。
- The angler reeled the trout in slowly. 钓鱼的人慢慢地收绕钓丝钓起鳟鱼。