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为了适应种草养畜,提高农牧结合的经济效益,1984年9月至1985年7月选择本所岗岭坡平坦地块1.2亩,土壤肥力偏瘠,分成4个大试验区。栽种9种多年生牧草,其中禾本科的有黑麦草、牛尾草、鸡脚草、无芒草四种;豆科的有淮阴苜蓿、小冠花、红三叶、白三叶、杂三叶五种,每个品种小区面积为10平方米。刈草区每个品种三次重复。整地后,每小区施猪粪25公斤作基肥。1984年9月17日作条播,行距30厘米。经常除草。刈草区收割后,中耕一次,同时追施碳铵,豆科每小区75克,禾本科150克。
In order to adapt to the grass and livestock raising, and improve the economic benefits of the integration of agriculture and animal husbandry, from September 1984 to July 1985, we selected 1.2 square meters of flat land in Gangling Ridge. The soil fertility was barren and divided into 4 large experimental areas. 9 kinds of perennial forage planted, of which there are grass ryegrass, oxtail grass, chicken feet grass, Miscanthus four; Leguminosae Huaiyin alfalfa, small crown flowers, red clover, white clover, miscellaneous trilobes five , Each species area of 10 square meters. The mowing area is repeated three times for each breed. After site preparation, each district pig manure 25 kg for basal fertilizer. September 17, 1984 for broadcast, spacing 30 cm. Weeding often. Mowing area after harvest, cultivation time, at the same time topdressing ammonium bicarbonate, Leguminosae area of 75 grams, 150 grams of grass.