First, the greenhouse is a closed facility, the indoor harmful gas is not easy to exclude, such as the use of base fertilizer is too much, volatile ammonia, indoor vegetables to suffer from ammonia hazards, so that the leaves dry spots or spots, severe leaves withered until Dead tree phenomenon occurs. Second, vegetables before entering the fruiting period, the amount of fertilizer is only about 1/6 of the total amount of fertilizers for the whole growing period. In this period, the soil and fertilizer should not be too much, which will not only cause burning phenomenon but also cause seedling growth. Long, affect flower bud differentiation, delay the result period. Third, greenhouse vegetables due to long-term fertilization is large, the soil is not a lack of various nutrients, the lack of carbon dioxide. However, the demand for carbon dioxide in crops during the seedling period is very small, and it gradually increases with the increase in the number of leaves. When the results reach a peak, the demand for carbon dioxide reaches a peak. The carbon dioxide in the greenhouse mainly comes from the decomposition of organic fertilizer in the soil. After the organic fertilizer is applied to the soil, the release period of carbon dioxide is about 10-50 days after fertilization. A large amount of basal fertilizer will not only cause burning phenomenon, but also the amount of carbon dioxide emitted will be wasted due to the small amount of pre-reproductive crops. After entering the result period, the amount of carbon dioxide required has increased. During this period, the period of carbon dioxide release in the soil has passed, and the supply of carbon dioxide is insufficient. This restricts the use of photosynthesis and will affect the increase in production.
SUNSON`s Single Enzyme Products take very important position among all products. In Sunson`s
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Alpha-amylase, β-amylase, glucoamylase,
pullulanase, β-glucanase, xylanase,
acid xylanase, neutral xylanase, thermostable xylanase, cellulase, pectinase,
pectinolytic enzyme, acid protease, endo-protease, alkaline protease, neutral
protease, bromelain, papain, glucan oxygenase, glucose oxidase, Dextranase, α-galactosidase, cellobiase,
laccase, catalase, lipase, β-amylase, phospholipase, etc.
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