Method for returning corn straw, biochar and organic fertilizer to field gradually and deeply year by year in northeast thin-layer black land

• Main Authors: LIU JUNREN, MA YUE, LIU SHENGQUN
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2023
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; FERTILISING; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; PLANTING; SOIL WORKING IN AGRICULTURE OR FORESTRY; SOWING; TRAPPING; WATERING

The invention discloses a method for returning corn straw, biochar and organic fertilizer to the field gradually and deeply year by year in the northeast thin-layer black land, and relates to a method for returning corn straw, biochar and organic fertilizer to the field in the northeast thin-layer black land corn field. In order to solve the problem that a returning mode of a single organic material in successive years is not beneficial to high yield of corn in northeast thin-layer black land, the method comprises the following steps: 1, land selection, corn planting and harvesting; 2, returning the whole amount of corn straw to the field; 3, soil preparation, corn sowing, field management and harvesting in spring of the second year; 4, applying the biochar; 5, soil preparation, corn sowing, field management and harvesting in spring of the third year; and 6, applying an organic fertilizer. According to the method, the soil fertilizing capability of the straw, the biochar and the organic fertilizer is fully ex