通过对反刍家畜营养生理的认识，阐述如何提高饲料蛋白质和非蛋白氮在反刍家畜生产中的利用效率。
Through to ruminant livestock nutrition physiology the understanding, elaborated how enhances the feed protein and the nonprotein nitrogen in ruminant livestock production the use efficiency.
采用砂培试验研究了硫素对大豆营养生长、营养元素吸收、氮硫比值和光合作用强度及酶活性等生理效应影响。
The sand culture is used to study the effects of sulfur on the soybean growth, the absorption of nutrients, the N:S, the rate of photosynthesis and the enzymes activities.
采用砂培试验研究了硫素对大豆营养生长、营养元素吸收、氮硫比值和光合作用强度及酶活性等生理效应影响。
The sand culture is used to study the effects of sulfur on the soybean growth, the absorption of nutrients, the N:S, the rate of photosynthesis and the enzymes activities.
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