对蛋用鸡连续饲喂低蛋白低有效磷饲粮的安全性及添加植酸酶的效果进行了探讨。
Safety of laying type chickens continuously fed low protein and low available phosphorous (AP) and efficiency of phytase supplementation were studied.
不同基因型在两种热带土壤上的相时表现一致，说明菜豆对低有效磷的适应不存在着土壤特异性。
The relative performance of different genotypes are similar on the two tropical soils, implying that there was no obvious soil specificity for beans in response to low phosphorus availability.
采用低磷、高阻垢性、高缓蚀性配方的缓蚀阻垢剂处理电厂的循环水，能有效地控制系统的结垢和腐蚀。
Scale and corrosion can be restrained effectively by treating circulating water by the reagent prescribed low phosphorus content and highly anti-scale and anti-corrosion components.
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