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武汉瑞莱肥料有限公司
——肥料OEM服务集成生产商——
——肥料OEM服务集成生产商——
Symptoms of crop zinc deficiency: first, it appears in the old leaves, the growth is inhibited, the plants are short, the internodes are broken, the tillers are few or delayed, the leaf veins lose green, and there are albino symptoms. Maize and rice were sensitive to zinc deficiency, followed by dicotyledons potato, tomato and sugar beet; Perennial fruit trees are sensitive to zinc, such as citrus, grape, peach and apple. Zinc deficiency has a great impact on fruit quality.
Symptoms of molybdenum deficiency in crops: first appear in the leaves in the middle of the old leaves or stems, and gradually develop to the young leaves and growth points. The plants are short and grow slowly. The leaves have yellow or orange spots of different sizes. In serious cases, the leaf edges wither, the leaves twist into a cup, and the old leaves thicken, scorch and die. Leguminous crops have the largest demand for molybdenum, and cruciferous cauliflower and cabbage also have high demand for molybdenum. Molybdenum fertilizer also had a great effect on the quality of winter wheat.
The nutritional functions of molybdenum include: it is a component of nitrate reductase and nitrogenase; Promote photosynthesis and respiration; Promote the metabolism of organic phosphorus compounds; Promote the construction of reproductive organs.
According to the magnesium status of soil in South China, the fertilizer effect of magnesium fertilizer on more than 20 crops was studied, and rich production data were obtained. The test results showed that the yield of tobacco, sugarcane, rape, soybean, sweet potato, pepper, tomato, citrus, pineapple and banana increased by 285.0, 8850.0, 105.0, 120.0, 1035.0, 4485.0, 5655.0, 3705.0, 300.0 and 1665.0kg per hectare respectively. The results showed that the application of magnesium fertilizer co...
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