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The Skill of Using Six Kinds of Microelement Fertilizer in Vegetable

Source of the article:Xing Bo medicinePageviews:-issuing time:2016-09-05 00:00:00【Big in small
Summary : Minimal requirements of plant elements, called trace elements, mainly boron, manganese, copper, zinc, molybdenum, etc., the lack of trace elements in crops, the adverse environmental conditions to reduce the external resistance, growth and development performance is not normal, it should be Appropriate amount of fertilizer. In the application of fertilizer should pay attention to the following six skills.

Minimal requirements of plant elements, called trace elements, mainly boron, manganese, copper, zinc, molybdenum, etc., containing trace elements in salts and substances used as fertilizer, called trace element fertilizers. Crops in the absence of trace elements, the adverse environmental conditions of the outside world to reduce the resistance, growth and development performance is not normal, serious in the grass plants led to crop failure.

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  First, boron fertilizer. The deficiency of boron in the plant showed that the stems and petioles were thicker and brittle, the root development was poor, the leaves were dark green, the new leaves were pale and deformed, the growth point was blocked and the floral development was not normal and the growth period was prolonged. Boron is commonly used in the production of borax, boric acid and high concentrations of liquid boron (boron not less than 150g / L). Boron can be used as basal fertilizer, topdressing, fertilizer application. In the boron-deficient soil as basal fertilizer, borax can be applied per acre or boric acid 0.5 to 1.5 kg; for seed soaking soaking concentration of 0.01% to 0.1%, seed dressing when the average l kg seed with 0.4 to 1.0 kg; Foliage spraying is appropriate to use high concentrations of liquid boron, diluted by dilution after spraying.

  Second, molybdenum fertilizer. Vegetables lack of molybdenum when growth is poor, short, leaf blight and even death. Commonly used molybdenum fertilizer with ammonium molybdate and sodium molybdate. Molybdenum fertilizer for seed dressing, soaking and root spray. Seed dressing with an average of 1 kg of seed fertilizer with 2 to 6 grams; soaking with 0.05% to 0.1% of the molybdenum fertilizer solution; root dressing concentration of 0.01% to 0.1%.

  Third, manganese fertilizer. Vegetable manganese deficiency mainly shows the green leaves of young leaves appear green brown yellow spots, plants stop growing. Production of common manganese fertilizer is manganese sulfate, basal fertilizer per acre when the applicator 3 to 5 kg; seed dressing average l kg seed with 5 to 7 grams; soaking concentration of 0.05% to 0.1%; for root dressing, The concentration is 0.05% to 0.1%.

  Fourth, zinc fertilizer. Vegetable zinc deficiency, resulting in petiole after volume, leaf chlorosis, small clusters of leaves, shortened internodes, plants short, so that yield was significantly reduced. Currently in the production, the application of zinc fertilizer is the most zinc sulfate. Zinc fertilizer for the base fertilizer with zinc sulfate 1.0 to 1.5 kg, but must pay attention to zinc fertilizer can not be mixed with phosphate fertilizer: soaking with 0.02% to 0.04% zinc sulfate solution; seed dressing with an average of 1 kg of fertilizer with 2 ~ 4 g; foliar spraying concentration of 0.01% to 0.05% zinc sulfate solution.

  5, copper fertilizer. Copper deficiency usually causes plant dwarfing, seedling yellowing deformities, apical meristem necrosis. Commonly used in the production of copper sulfate copper sulfate. Copper sulfate as basal fertilizer with 1 kg per mu, when applied with the soil mixed evenly; foliar spraying with 0.02% to 0.04% solution, in order to avoid injury to the leaves, the solution can be added a small amount of hydrated lime.

  Sixth, iron fertilizer. Iron deficiency caused by green leaves of vegetables between the leaves, the development of the entire leaf yellow or white. Ferrous fertilizers are more ferrous sulphate. Ferrous sulfate can be mixed with organic fertilizer for the base fertilizer, the ratio of 1:20; leaf spraying with iron-rich high-density liquid fertilizer, diluted by multiple use.

  In the application of micro-fertilizer should pay attention to the following points: First, the trace element fertilizer foliar spray should be at the seedling stage and from the vegetative growth into the reproductive growth of the spray 1, each water consumption of 50 to 60 kg per mu. Second, the foliage spraying can be combined with spraying, spraying at the same time adding 0.05% of urea can significantly improve fertilizer efficiency. Third, the trace element fertilizer soaking time is generally 6 to 12 hours. Fourth, micro-fertilizer for the base with a longer period of validity can be applied every 2 to 4 years 1, and application must be uniform, to avoid the local concentration is too high to produce toxic, with a large number of elements or organic fertilizer mixed application.


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