Fertilizer application and water management combined method for improving rice field soil quality and reducing cadmium pollution

The invention relates to the technical field of agricultural pollution control, and provides a fertilizer application and water management combined method for improving rice field soil quality and reducing cadmium pollution, and the method comprises the following steps: (1) applying a base fertilize...

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Main Authors SHE ZIJIAN, CHEN YONG, LI YICHUN, WANG BAIBING, LI QI, LUO WEILIN, LI LINFENG, DAI YUAN, LIN XIAOYANG, XU ZISHENG
Format Patent
LanguageChinese
English
Published 15.08.2023
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED
FERTILISING
FISHING
FORESTRY
HORTICULTURE
HUMAN NECESSITIES
HUNTING
PLANTING
SOWING
TRAPPING
WATERING
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Summary:The invention relates to the technical field of agricultural pollution control, and provides a fertilizer application and water management combined method for improving rice field soil quality and reducing cadmium pollution, and the method comprises the following steps: (1) applying a base fertilizer in a rice field 3-7 days before rice seedling slinging, and putting water to steep the field; (2) applying a compound fertilizer to the rice field 1-2 days before rice seedling throwing, and putting water to steep the field; (3) after rice seedling slinging, waterflooding irrigation is conducted, shallow water irrigation is conducted 25-30 days after seedling slinging, and drainage and field drying are conducted 3-7 days before rice harvesting. According to the method, it is powerfully guaranteed that the content of Cd in brown rice reaches the national standard (lower than 0.2 mg/kg), the soil environment, fertility and health quality are effectively improved, and the safety and sustainability of utilization of
Bibliography:Application Number: CN202310641993