牧草引种试验研究初报

对丹麦引进的19个牧草品种,经3年引种筛选试验,通过牧草生长发育及适应性观测及再生长速度、鲜干草产量的测定,结果表明:豆科牧草红三叶品种中Rajah的鲜干草产量最高,分别为154.54t/hm2、27.56t/hm2,紫花苜蓿中Bc-2alfafa鲜干草产量最高,分别为87.69 t/hm2,19.97 t/hm2;禾本科牧草中,供试的各品种鲜草产量均在68～79 t/hm2,干草产量在13～20 t/hm2,其中forage2-cina鲜草产量最高为 78.46 t/hm2,Lph1407干草产量最高为19.39 t/hm2;再生速度上看,禾本科牧草高于豆科牧草,且禾本科牧草中鸭茅Amba、Sparta品种平均生长速度最快,豆科牧草中红三叶品种较紫花苜蓿品种快.初步认为,供试的19个牧草品种均可在新疆乌鲁木齐市及其类似地区用于人工草场建立、草地改良及退耕还草.

The Preliminary Studies on Forage Introduction

The experiment was carried out on 19 introduced species of forages from Denman in three years.The growth and adaptability were observed,growth rate and yield of fresh(dry) grass were measured. Results showed: as the yield of fresh and dry grass were concerned, Rajah of Red clover species was the highest,were respectively 154.54 t/hm2、27.56 t/hm2,Bc-2alfalfa was the highest,respectively 87.69 t/hm2、 19.97 t/hm2; among the forages of the grass family, fresh and dry yield of every experimented variety could respectively reach 68～79 t/hm2,13～20 t/hm2,the fresh yield of forage2-china was the highest, reached 78.46 t/hm2, the dry yield of Lph 1407 was the　highest,reached 19.39 t/hm2; As for growth rate, the grass family was higher than the legume, Amba and Sparta of cocksfoot was the highest, the red clover were higher than alfalfa. Hence preliminary studies thought, the 19 forages could be used as establishing artificial grassland, improving rangeland,with drawing cultivation and renewing grass in Urumqi and the similar areas.