the results indicated that soil available nutrient was effected by structure factors including parent rock, soil type and so on.
结果表明,土壤养分受到成土母质和土壤类型等结构性因子的影响,大麦产量与土壤速效养分含量密切相关。
enhancement of soil available nutrient was highest in treatment 1, treatment 4 and 5 on the second place.
土壤中的有效养分的增加以处理1为最高,其次为处理4和处理5。
the reconstructive efficiency of soil available nutrient pool was dependent on the surplus or deficit of soil nutrients.
土壤中赢余(亏损)的养分在养分库重建中的作用可以用速效养分库重建效率来表示。
the study indicated that active soil organic carbon and soil available nutrient content both took on an increasing tendency from 2000 to 2002.
结果表明:从2000年起土壤活性有机碳、土壤有效养分和作物产量均呈增加的趋势。
grass hedgerows had little influence on soil total nutrient contents, but it affected the content and distribution of soil available nutrient in soil remarkably.
研究不同草篱对坡耕地水土流失和土壤养分的影响。