对国内外有关锌影响作物光合生产性能、产量、作物生长发育等的研究进行了综述，就锌的研究现状提出了研究中尚存在的问题和研究展望。
The effect of zinc on crop photosynthesis performance, yield and growth was summarized, and the problems and prospect of research status quo on zinc were put forward as well.
试验对贵州兴义矮脚鸡与矮脚黄鸡的早期生长发育规律及屠宰性能进行了比较研究。
The comparative study on the early growth and dressed characters of two strains:Xingyi bantam and Yellow bantam was done in this study.
本文通过对陕北延安526只自繁槐山羊的外貌特征、生长发育、繁殖性能、产肉性能、发病等情况观察测定。
The 526 local Huai goats were determinated by observing their appearance, grwth, reproduction ability, function of mutton production and incidence of disease.
应用推荐