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水稻生长发育所必需的营养元素 ,除氮、磷、钾外 ,钙、镁、硫也是同等重要的。水稻缺钙、缺硫时有发生 ,而缺镁则稀见报道。针对我市出现较大面积缺镁症状的实际情况 ,经过连续三年的施用镁肥试验 ,取得较好的增产效果。1 缺镁症及发生特点1 998年 6月初 ,在本市陶冲镇联河村
The nutrients necessary for rice growth and development, in addition to nitrogen, phosphorus and potassium, calcium, magnesium, sulfur is equally important. Calcium deficiency, lack of sulfur occur from time to time, while the rare magnesium is rarely reported. In view of the actual situation of larger areas of magnesium deficiency symptoms in our city, after three years of continuous application of magnesium fertilizer test, a better yield increase effect was achieved. A magnesium deficiency and its occurrence characteristics 1 early June 998, in the city of Tao Chongzhen Lianhe village