Rotten seed causes poor seed quality, improper storage and long storage period; low-lying land, high soil moisture content, heavy soil viscosity, and long seed-emergence time; false soil preparation, affecting seed water absorption, weak seedlings; no select seed , uneven size, seeding is not fine or different shades, resulting in uneven emergence or lack of seedlings ridge; years of continuous cropping does not change, serious seedling disease, resulting in lack of seedling off ridge; use of organic fertilizer or fertilizer is not fully decomposed Excessive concentrations cause fertilizer damage and affect seedlings; long-term hypothermia, resulting in slow germination and seedling emergence.
Precautionary measures for fine selection of seeds, selection of new peanut seeds, seed drying before sowing, improve seed water absorption capacity. The seeds were husked 1–3 days before sowing, and the seeds that had not been damaged and the radicles had not germinated were sown. Seed dressing, seed dressing with 0.1% seed weight of new high fat film powder to prevent seedling disease. At the same time, 40% phoxim emulsifiable concentrate with 0.2% seed weight was used to control the underground pests. Fine sowing, sowing depth of 4 to 6 cm, to avoid direct contact with the seed and fertilizer. The use of mulching film cultivation, the ground temperature can be increased by 2 ~ 3 °C, seed germination after sowing seedlings quickly, can reduce the incidence.
Plant extracts refer to substances extracted or processed from plants (all or a part of plants) using appropriate solvents or methods. They can be used in the pharmaceutical industry, food industry, health industry, beauty industry and other industries.
Plant extracts are based on plants as raw materials. According to the needs of the use of the final product extracted, through physical and chemical extraction and separation processes, one or more effective ingredients in the plant are obtained and concentrated without changing the effective ingredients. The product formed by the structure. According to the different components of the extracted plants, glycosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids, etc. Are formed; according to different properties, they can be divided into vegetable oils, extracts, powders,crystalline powder, etc.
Natural Phytoextraction,Plant Extracted,Plant Extract Powder,Corn Silk Extract
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