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从1974年开始,我县试验清种沟播冬小麦,经三年大面积示范推广,到1978年已发展到1万多亩,占小麦面积的20～30%.一、增产效果实践证明:清种沟播是实现冬小麦丰产的有效措施,县农科所和泡子、乐甲、杨树房、元台等农科站(队)从1975～1977年连续三年清种沟播平均亩产591.3斤,比畦播增产24.5%;县国营农场从1974～1979年平均每年种冬小麦488.2亩,全部实
Since 1974, our county has experimented with planting broad-leaved winter wheat and after three years of extensive demonstration and promotion, it has grown to more than 10,000 mu in 1978, accounting for 20-30% of the total area of wheat. Kenggou sowing is an effective measure to achieve high yield of winter wheat. County Agricultural Science Institute and Wuzha, Lejia, Yangshufang, Yuantai and other agricultural stations (teams) averaged 591.3 kilograms of grasses per year for three years in a row from 1975 to 1977, An increase of 24.5% over the broadcast; county state farms from 1974 to 1979 an average of 488.2 acres of winter wheat per year, all