Two-stage Seedling Cultivation Method Using River Sand as Substrate
A substrate and river sand technology, applied in the field of agriculture, forestry and horticulture, can solve the problems of untidy emergence, careless watering, and easy dew seeds, etc., and achieve the effects of easy management, easy temperature and humidity, and less pests and diseases
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[0018] The germinated crop seeds are sown in the river sand in a large density, and after the cotyledons of the seedlings are flattened, they are transplanted into the plug substrate, so that the two-stage seedling cultivation can avoid the lack of seedlings in the conventional substrate, the top shell, untidy emergence of seedlings, and careless watering Easy to dew seeds and other shortcomings.
[0019] The two-stage seedling raising method in which river sand is used as a substrate is carried out according to the following steps:
[0020] a. Select fine river sand, disinfect and wash with 0.3% potassium permanganate solution for 10 minutes, then drain the water for later use;
[0021] b. Spread a layer of woven bag or newspaper in a seedling tray or a flat-bottomed leaky container, spread 3cm thick disinfected river sand on the woven bag or newspaper, and scrape the surface;
[0022] c. Sow the germinated crop seeds on the river sand in a large density, and keep the distan...
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