为研究旱地莜麦的吸肥特点、吸肥数量、吸肥速率,以明确旱地莜麦对主要肥分的需要及比例,为合理施肥提供依据。一、试验方法及内容试验是在呼市南郊本院试验地上进行,只经1982年秋汇,整个生育期不灌水。土壤耕层0～20厘米养分含量为:全氮0.125%,水解氮13.52mg/100克土,全磷0.179%,速效磷26.6PPM,有机质2.64%,历年小麦单 In order to study the characteristics of dry-land 莜-mai’s absorption of fertilizer, the amount of absorbed fertilizer and the rate of absorption of fertilizer, the need and proportion of S. First, the test methods and content The test is conducted in the southern suburbs of Hohhot test ground trials, only by the autumn of 1982, the entire growing period without irrigation. Soil nutrients 0-20 cm soil layer: 0.125% of total nitrogen, 13.52mg / 100 grams of hydrolyzed nitrogen soil, 0.179% of total phosphorus, available phosphorus 26.6PPM, 2.64% of organic matter, calendar years of wheat