Rice seedling raising substrate and preparation method thereof
A technology for raising rice seedlings and substrates, which is applied to planting substrates, botanical equipment and methods, and rice cultivation, etc., can solve problems such as the inability of substrate structure and characteristics to meet planting needs, unreasonable proportion of straw fermentation components, and poor rice growth conditions. , to achieve the effect of improving growth indicators, promoting yield growth, and improving physical and chemical parameters
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[0028] Example 1:
[0029] Take 100 kg of straw with a moisture content of less than 10% after drying, break it into fragments of 0.5 cm in length with a crusher to obtain a straw base material, and determine the total nitrogen and total carbon content of the straw base material; Sprinkle 2g of the fermentation inoculum into the straw base material, and adjust the carbon-nitrogen ratio to 30:1 with urea after fully mixing. The carbon-to-nitrogen ratio can provide the best environment for the propagation of the fermentation inoculum and help increase the fermentation speed; Then prepare 150kg of water and stir evenly while adding water until the water content is adjusted to 55-65% to obtain fermentation raw materials;
[0030] Pile the mixed fermentation materials into piles and cover them with a transparent film for fermentation. Keep ventilation during the fermentation process, and insert a thermometer in the center of the fermentation materials pile to observe temperature changes...
Example Embodiment
[0034] Example 2:
[0035] The difference between this embodiment and Embodiment 1 is only that the crop straw used is sorghum straw; in terms of weight ratio, the fermentation inoculum: straw base material = 1:40,000; and in terms of weight ratio, the rice in this embodiment The seedling raising substrate is composed of the following components: 80 parts of fermented straw, 10 parts of paddy soil, 18 parts of zeolite, 15 parts of peat, 0.02 parts of rooting agent, 15 parts of urea sulfate, 0.05 parts of potassium sorbate, 0.08 parts of chitosan, poly 0.8 parts of acrylamide and 0.8 parts of sulfur powder.
[0036] Others are the same as in Embodiment 1, and will not be repeated here.
Example Embodiment
[0037] Example 3:
[0038] The difference between this embodiment and embodiment 1 is only that the crop straw used is corn stalks; by weight ratio, the fermentation inoculum: straw base material = 1:45000; and by weight ratio, the rice in this embodiment The seedling substrate includes: 65 parts of fermented straw, 8 parts of paddy soil, 15 parts of puffed mica + activated carbon, 10 parts of biochar, 0.03 parts of rooting agent, 12 parts of bentonite, 0.04 parts of potassium sorbate, 0.07 parts of chitosan, polyacrylic acid Potassium + ammonium polyacrylate 0.8 parts, sulfur powder 0.7 parts.
[0039] Others are the same as in Embodiment 1, and will not be repeated here.
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