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红壤丘陵柑桔幼树缺锌镁原因及矫治我场１９９２年春定植的２０ｈｍ２温州蜜柑、脐橙和沙田柚，第二年普遍出现小叶、花叶、叶片黄化、卷缩萎蔫、生长缓慢等现象。温州蜜柑和脐橙尤甚。经过多方面分析，发现是缺锌、镁两种元素所致。叶面喷施和土壤施锌、镁肥后才恢复正常...
Reasons for deficiency of magnesium and zinc in young saplings of red soil hilly region and its correction In the spring of 1992, 20hm2 Wenzhou Satsuma, navel orange and Shatin pomelo were planted. In the second year, leaflets, mosaic, leaf yellowing, curly wilting and slow growth appeared. Wenzhou mandarin orange and orange especially. After many analyzes, found that zinc deficiency, magnesium caused by two elements. Foliar application and soil zinc, magnesium fertilizer before returning to normal ...