To increase organic manure organic fertilizer can not only improve the soil, provide nutrients, but also, in the process of decomposition and utilization, can produce carbon dioxide, accumulate in the greenhouse, can increase the "gas fertilizer" for vegetables, help to improve the photosynthesis of vegetables Role, to promote vegetable production.
After the organic fertilizer is decomposed, it will be used for fresh pigs, cattle manure, green manure, and crop stalks. After application, it will produce large amounts of organic acids, ammonia, hydrogen sulfide, and nitrogen oxide compounds. Endanger vegetable roots, and ammonia, nitrogen oxides, etc. that escape the soil accumulate in the greenhouse, causing poisoning to the vegetables.
The potassium chloride, potassium sulfate, ammonium chloride, and ammonium sulfate commonly used for soil fertigation are applied to the soil and dissociate out of sulfate ions, chloride ions, etc. are absorbed and seldom used, and when applied in general vegetable fields and fields, Lost with water, reduce the harm. However, in greenhouses, they often accumulate in the soil and increase the acidification of acidic soils. Therefore, acidic soils should not be applied, and they can be applied to alkaline soils. Calcium, magnesium phosphate fertilizers, lime nitrogen, etc. are alkaline fertilizers, and are not suitable for alkaline soils. Applied topically, it can be applied to acidic soils.
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