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我所于1974、1975两年进行了草木樨混种向日葵的试验,试验表明,草木樨混种向日葵是促进绿肥发展,扩大向日葵面积的有效措施。
In 1974 and 1975, I conducted a trial of mixed sunflower seeds of kamoji. Experiments show that the mixed sunflower is an effective measure to promote the development of green manures and expand the area of sunflowers.