论文部分内容阅读
近年,随着外贸商品鸡养殖业的迅速发展,鸡粪以其高效、优质、低成本等优点,大量投入果园,成为果树生产中的一种新兴有机
In recent years, with the rapid development of foreign trade commodity chicken breeding industry, chicken manure has been put into the orchards with its high efficiency, high quality and low cost, etc. and has become an emerging organism in fruit tree production