Tobacco seedling cultivation method
A technology of tobacco and seedling trays, applied in the field of agricultural planting, can solve problems such as lack of access to water and nutrients, excessive moisture in seedling trays, and affecting the cultivation of tobacco seedlings, achieve reasonable proportions, avoid tall seedlings, and improve disease resistance The effect of sex and resistance to bacterial infection
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Embodiment 1
[0025] A method for raising tobacco seedlings. The method includes growing seedlings in a seedling raising device, the seedling raising device is placed in a seedling growing shed, and the seedling raising device includes a liquid storage tank, an adjustable height support frame located above the liquid storage tank; , with a structure that is wide at the top and narrow at the bottom, and the bottom is a black seedling tray with a fiber mesh layer, and 100 parts by mass of leaf humus, 1 part of yellow sand, 30 parts of peat, 5 parts of nut shell activated carbon, and leeches are located in the seedling tray. 10 parts of stone and 5 parts of expanded perlite form the matrix and are located in the liquid storage tank. The nutrient solution is composed of the following components: urea 0.65g / L, diammonium phosphate 0.16g / L, lime nitrogen 0.55g / L, nitric acid Potassium 0.26g / L, potassium sulfate 0.83g / L, superphosphate 0.46g / L, ammonium chloride 0.45g / L, ammonium nitrate 0.15g / L, w...
Embodiment 2
[0032] A method for raising tobacco seedlings. The method includes growing seedlings in a seedling raising device, the seedling raising device is placed in a seedling growing shed, and the seedling raising device includes a liquid storage tank, an adjustable height support frame located above the liquid storage tank; , with a structure that is wide at the top and narrow at the bottom, and a black seedling tray with a fiber mesh layer at the bottom, and 80 parts by mass of leaf humus, 5 parts of yellow sand, 20 parts of peat, 10 parts of nutshell activated carbon, and leeches in the seedling tray. 1 part of stone and 10 parts of expanded perlite form the matrix and are located in the reservoir. The nutrient solution is composed of the following components: urea 0.56g / L, diammonium phosphate 0.23g / L, lime nitrogen 0.36g / L, nitric acid Potassium 0.45g / L, potassium sulfate 0.74g / L, superphosphate 0.65g / L, ammonium chloride 0.35g / L, ammonium nitrate 0.35g / L, the mass ratio is 3:1:4:...
Embodiment 3
[0039]A method for raising tobacco seedlings. The method includes growing seedlings in a seedling raising device, the seedling raising device is placed in a seedling growing shed, and the seedling raising device includes a liquid storage tank, an adjustable height support frame located above the liquid storage tank; , with a structure that is wide at the top and narrow at the bottom, and the bottom is a black seedling tray with a fiber mesh layer, and 90 parts by mass of leaf humus, 4 parts of yellow sand, 25 parts of peat, 8 parts of nutshell activated carbon, and leeches are located in the seedling tray. 8 parts of stone and 8 parts of expanded perlite form the matrix and are located in the liquid storage tank. The nutrient solution is composed of components with the following concentrations: urea 0.60g / L, diammonium phosphate 0.20g / L, lime nitrogen 0.40g / L, nitric acid Potassium 0.30g / L, potassium sulfate 0.80g / L, superphosphate 0.50g / L, ammonium chloride 0.40g / L, ammonium n...
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