dong bei nong zuo wu dong bei nong zuo wu hai chong tu shuo dongbeinongzuowu00shen Year: ③魚籐精液800—1,000倍。 666的300倍液。 ⑤烟草石灰水。在药剂防治时应注意早期点片防治。幷进行連績防治,不讓蚜虫有增殖机会

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Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage