available nutrient meaning in English
可利用的营养素
有效养分
有效营养物
Examples
- Clay contains available nutrient elements .
粘土会有有用的营养元素。 - Crop growth and development requires an adequate supply of available nutrients at the proper time in the plant ' s life cycle
在植物整个生长发育过程中，需要适时供应有效养分。 - The results showed the growth of cunninghamia lanceolota seedlings was improved by the rotation of oryza sativa and cunninghamia lanceolata , and the soil available nutrients increased
结果表明：用水稻等作物与杉木轮作后，杉木苗生长状况改善，土壤有效养分和速效养分增加。 - Soil enzyme activity could be used as the important evaluation index of soil fertiiity . soil enzyme play a very important role in the transformation of organic matter , n , p into available nutrient forms that can be used by plants
土壤酶的活性可以作为评价土壤肥力的重要指标，土壤酶对土壤物质(有机质、氮、磷)转化起着重要作用。 - Species interactions between bloom microalgae and other algae play essential roles in affecting the phytoplankton sequence either by competing for the available nutrient supply or by secreting extracellular organic substances ( allelopathy ) into the environmental medium
根据生态系统中的食物链关系，通过引人赤潮生物的天敌来防治赤潮也是一种治理方法。