条件筛选
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Causes of Stem Splitting in Greenhouse Watermelons and How to Treat the Problem Accordingly
It is now spring, and in many farmers' greenhouses the watermelon vines have already covered the ground, but some watermelon leaves have split open, with cuts large and small, long and short, yet every cut has red gum oozing from it. So why exactly do watermelon stems split?
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What to Do When Corn Poppy Leaves Turn Yellow? Find the Cause and Treat It Accordingly
Legend has it that in the late Qin Dynasty, during the Chu-Han Contention, when Xiang Yu, the Hegemon-King of Western Chu, suffered defeat, there was a folk legend about a kind of flower and grass called "corn poppy grass," whose flower is called the corn poppy. The corn poppy comes in several colors, for example, the white corn poppy,