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前言牧草混栽是一种世界性的农业技术措施。有关此项的世界文献都一致强调豆科和禾本科牧草混栽的利益,证明它在多数情况下都比纯种预能提高产草量、改进草料品质和加快草地的建成。早在十九世纪中期,多年生牧草混栽草地的建成对推动新西兰、澳大利亚和欧州畜牧业的发展起过很大的作用。三十年代土壤学家十分强调的注意到混栽牧草是一种有效的改土工具,它比纯种的豆科牧草更有利于土壤有机质的积累和土壤结构的形成,从而使牧草混栽成为著名的草田农作制的中心内容。
Preface Mixed forage grass is a worldwide agricultural technology measures. The world literature on this item unanimously emphasizes the benefits of mixed legumes and grass pastures, demonstrating that in most cases it is expected to increase grass yield, improve forage quality and speed up the establishment of grasslands in most cases. As early as the mid-nineteenth century, the establishment of perennial grasses has played a significant role in promoting livestock husbandry in New Zealand, Australia and Europe. Soil scientists in the 1930s noticed that the mixed planted grass was an effective tool for soil improvement, which was more conducive to the accumulation of soil organic matter and the formation of soil structure than pure-type leguminous pasture, The famous grassland farming system center content.