Sludge is one of the superior organic fertilizers and its selective and controllable use will not only satisfies nutrient requirement for the crop growth but also cultivates soil.
污泥是一种优质的有机肥料，有选择地控制使用，既可满足作物生长对养分的需要，又可培育土壤。
In beekeeping production, bees need different nutrient requirement in different periods.
养蜂生产中，蜂群所处的阶段不同其营养需要不同。
One was scientific feeding and management on the basis of different nutrient requirement for different developing stages of dairy cows.
一是根据奶牛各饲养阶段对营养需要的不同进行科学合理的饲料搭配与管理；
Advances on the nutrient requirement of Atlantic salmon were reviewed in order to provide reference for further researches and exploitations of new formulated feeds.
本文综述了国外近年来对大西洋鲑营养需要和饲料原料替代的研究进展，为国内开展大西洋鲑营养需要的研究和开发系列配合饲料提供参考。
Through checking the available contents of trace elements in typical diets with the nutrient requirement of swine and chicken, whether the elements are surplus or deficient is discriminated.
经用典型日粮配方计算，再与猪、鸡营养需要量比较，对我省猪、鸡饲料中微量元素的盈缺作出了判定。
Vector diagnostic method is more comprehensive than the critical value method and the DRIS method on the diagnose of bamboo nutrient requirement.
矢量诊断法比临界值法和dris法能更全面诊断毛竹对各养分的需求状况和需肥顺序。
Vector diagnostic method is more comprehensive than the critical value method and the DRIS method on the diagnose of bamboo nutrient requirement.
矢量诊断法比临界值法和dris法能更全面诊断毛竹对各养分的需求状况和需肥顺序。
应用推荐