【摘要】 １９９８年５月在黄南州河南县进行了天然草地施肥试验。结果表明：施尿素为２２５ｋｇ／ｈｍ２、１５０ｋｇ／ｈｍ２、７５ｋｇ／ｈｍ２时，其产量（ＤＭ）分别为：５４７０ｋｇ／ｈｍ２、５０９３．３ｋｇ／ｈｍ２、５０４６．７ｋｇ／ｈｍ２；比对照高３４．７３％、２５．４５％、２４．３０％；施羊板粪１５０００ｋｇ／ｈｍ２时，其产量为４８２３．３ｋｇ／ｈｍ２，比对照高１８．８０％。更多还原

【Abstract】 Fertilizing test has been made in Henan county in May. 1998 The result showedthat the yield of forage was 5470kg/ha. 5093. 3kg/ha. 5046. 7kg/ha when urea was fertilizedin225kg/ha. 150kg/ha. 75kg/ha The yceld of forafe was increased by34. 73% . 25. 45%. 24. 30%than natural pasture. The yield of forage was 4823. 3kg/ha when sheep dung was fortilized in15000kg/ha The yceld of forage was increased by 18. 80% than natural pasture.Keywods:Fertilizing urea sheep dung yeilel of forage更多还原