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我区在积极推广杂交高粱的同时,不少单位还进行了杂交高粱与山芋间作的试验,增产效果比较显著。我们体会,山芋、杂交高粱间作,可以充分利用地力、空间和光能,是一项有效的增产措施。 1972年,沛县五段公社反修生产队,60多亩春山芋,其中有24亩在垅沟里种原杂十号高梁,每亩1000棵左右,平均每亩实收杂交高梁236斤,山芋(五折一)482斤,合计亩产718斤,比纯作的山芋(折干)亩产520斤增产38％。铜山县夹河公社水产二队,在春山芋地间种杂交高粱、玉米的对比试验,5月初穴播原杂十号,每亩440棵,成穗1330个,
In our area actively promote hybrid sorghum, many units also conducted intercropping sorghum and potato intercropping trials, yield more significant effect. We realize that potato, hybrid sorghum intercropping, can make full use of geo-space and light energy, is an effective stimulation measures. In 1972, Peixian commune anti-revision production team, 60 acres of spring taro, of which 24 acres in the Gou ditch in the original mixed No. 10 sorghum, about 1,000 acres per acre, the average harvest acre sorghum per acre 236 pounds, Yam (50% off) 482 pounds, a total of 718 pounds per mu, more than the pure potato (dry) per mu yield of 520 kg 38% increase. Tongshan Commune Commune Fisheries, Tongshan County, spring in the inter-species hybrid sorghum, corn contrast test, early May broadcast sowing hybrid No. 10, per acre 440, into a spike of 1330,