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据群众反映,有的社队种植的向日葵结实不好,花盘中间秕粒多,品质差,出油率低,对产量影响很大。最近,我们去向日葵主要产区,进行了一次调查,发现确实存在着向日葵秕粒问题,其主要原因有以下几个方面。首先是花盘授粉不好。向日葵是异花授粉作物,主要靠风力、蜜蜂作媒介进行传粉。有的社队种植面积很小,而且地块分散,造成向日葵开花授粉期间,花粉不足,如遇花期阴雨,
According to reports from the masses, some communes and tenements planted sunflowers that were poorly endowed with poor quality and low oil yield, which had a great impact on output. Recently, we went to the main sunflower producing areas, conducted a survey and found that there are indeed sunflower tablets, the main reasons for the following aspects. The first is poor pollination dish. Sunflower is cross-pollination crops, mainly by wind, bees as a medium for pollination. Some communes planted a small area, and scattered plots, resulting in sunflower flowering pollination, lack of pollen, in case of flowering overcast,