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甘薯翻蔓会导致严重减产在我国甘薯种植区,历史上就有翻蔓的习惯。国内外的科研部门,早就有甘薯翻蔓减产的定论:翻蔓一般减
Flounder sweet potatoes will lead to serious cuts in China’s sweet potato plantation, the history of the habit of turning over. Scientific research departments at home and abroad, there has long been a conclusion of sweet potato turn over and down: Turn the general reduction