红壤温州蜜柑镁锌营养失调症及其矫治

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红壤温州蜜柑镁锌营养失调症及其矫治邵阳市属红壤丘陵山地,气候温和,雨量充沛,是温州蜜柑适宜栽培区,全市现有栽培面积4万hm2。近10多年来,特别是进入盛产期以后,温州蜜柑园陆续出现叶片黄化现象,据症状及土壤、叶片营养分析,认为系缺乏镁、锌元素所致。一... Red soil Wenzhou mandarin magnesium and zinc nutrition disorders and corrective treatment Shaoyang City is a red soil hills and mountains, mild climate, abundant rainfall, is the suitable planting area of ​​Wenzhou orange, the city’s existing cultivated area 40,000 hm2. In the recent 10 years, especially after entering the rich period, the orange leaves in Wenzhou have gradually appeared the phenomenon of leaf yellowing. According to the symptoms and soil and leaf nutrition analysis, it is considered that the lack of magnesium and zinc elements. one...
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