Substrate for transplanting hole tray seedling of cotton and method thereof
A technology for raising seedlings and substrates in plug trays, which is applied to the field of substrates for raising and transplanting cotton seedlings in plug trays, can solve the problems of low survival rate of transplanting, slow seedlings, etc., and achieves high pre-frost flower rate, improved cotton quality, and cotton seedling quality. Good results
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[0014] Substrate preparation: mix peat, sandy black soil and vermiculite in a ratio of 2:1:0.5, add 0.25% of the total amount of the above-mentioned substances, and then mix evenly. The peat is the product of the formation and development of the swamp. The peat contains more than 75% of organic matter, about 30% of humic acid and fulvic acid, has small bulk density, good air permeability, rich in nitrogen, phosphorus, potassium and trace elements, pH The value is slightly acidic, which is very suitable for growing seedlings of crops; sandy black soil is a kind of soil with strong viscosity and rich in nutrients, and its function is mainly to facilitate the matrix to form lumps and provide certain nutrients; Siliceous minerals are made after high-temperature expansion, with small bulk density, large porosity, strong water absorption capacity, and contain more nutrients that can be absorbed and utilized by crops such as potassium, calcium, and magnesium. Diammonium phosphate is a...
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