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Detailed Explanation of Key Points for High-Yield Cultivation Technology of Film-Mulched Sweet Potato

1. Select suitable plots and apply more fertilizer. It is best to choose fertile, level, and irrigable loam soil for planting sweet potatoes. For film-mulched plots, deepen the plow layer. Autumn plowing should be about 25 cm deep. Apply more than 2500 kg of high-quality decomposed farmyard manure per mu. When plowing, broadcast 2/3 of the farm manure and apply 1/3 in furrows when ridging.
2020-11-08 18:41:44

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Detailed Explanation of Key Points for High-Yield Cultivation Technology of Film-Mulched Sweet Potato