Plowing and falling buds lead to long-term flooding after sowing, resulting in a low temperature and oxygen-deficient environment, resulting in poor rooting, sprouts lengthening, and plowing and falling buds. In addition, mud bugs are seriously harmful and can also cause plowing and falling buds. The prevention method is to adhere to the moist management during the bud stage and prevent the early irrigation. Drum mud insect damage can be boiled with 20 kilograms of withered tea per mu before planting, and then splashed with water on the surface.
The pathogen damage causes long-term low temperature and rain, the viability of seed buds is reduced, and the growth of root system is stagnant, which makes Pythium and other microbial pathogens infect and cause bud rot. To prevent rotten buds, attention should be paid to improving the quality of seedling field preparation, preemptive injection of cold tail and warm head sowing, and adherence to early moist management.
Toxic substances affect the seedling field by applying fresh organic fertilizer or covering with grass and moss. In case of long-term rainy weather or water in the compartment, the organic matter will rot and produce toxic substances, which will cause the seed buds to die. This phenomenon is even more pronounced when the rain turns to clear. serious. The remedy is to irrigate horse racing water in time to wash poison and decontaminate, and then open the field for ventilation.
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