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为了农作物持续高产稳产,并做到用地与养地相结合,1978～1979年我们在义县义州镇公社西关二队进行了玉米套种草木樨试验.一、试验情况与结果试验地40亩,冲积沙壤土,肥力中等,供试品种丹玉6号玉米、二年生草木樨.试验是在一般生产条件下进行的.设两个处理,大小垄玉米(2.5+1.9)×0.8尺套种草木樨,大小垄玉米(2.5×1.9)×0.8尺清种,以2.1尺大垄清种为对照.结果,大小垄套绿肥的玉米亩产1,026斤,比大小垄清种玉米897斤,增产14.4%,比2.1尺大垄玉米819斤,增产25.3%.套种区的绿肥,亩产鲜草817斤.
In order to continue high and stable crop production, and to achieve the combination of land and raised land, we from 1978 to 1979 in Yizhou County commune commune two teams of corn intercropping grass tilapia test.First, the test conditions and results of 40 acres , Alluvial sandy loam soil, medium fertility, the tested varieties Danyu No. 6 corn, biennial grass mulberry.The experiment was carried out under general production conditions.With two treatments, the size of Ridge maize (2.5 + 1.9) × 0.8 ft intercropping grass mulberry , Size of Ridge maize (2.5 × 1.9) × 0.8 feet clear species, with 2.1-foot wide ridge clearance control as a result, the size of the ridge of green manure corn yield 1,026 kg, than the size of the ridge Ridge maize 897 kg, an increase of 14.4% , 819 kg more than the 2.1-foot large ridge corn, an increase of 25.3%. Intermittent green manure, 817 kg of fresh grass per mu.