During traditional corn cultivation, two shovels, two fertilizers and other management measures are generally used. This cultivation method is arduous and labor-intensive and cannot adapt to the pace of agricultural modernization. With the development of agricultural science and technology, the application of chemical herbicides and long-lasting chemical fertilizers has created conditions for us to carry out cultivation without crop cultivation.

1. Before sowing Mushi quality farmyard fertilizer 3000 kilograms, while applied per acre long-acting ammonium bicarbonate (Wind Urban Fertilizer Factory production) 50 kg, 15 kg sulfur sulfur. After the ridges are planted, when the seeds are sown, 15 kg of DAP produced in the United States will be used as mouth fertilizer. When applying fertilizer, pay attention to fertilizer isolation, and step on the upper and lower grid.

2. Before emergence after sowing, the herbicide soil closure treatment was selected after rain. Mu atrazine 0.25 kg plus acetochlor O. 25 kilograms of 75 kilograms of water sprayed on the water, or 0.5 kilograms of the euphorbiae et al. sprayed on 75 kilograms of water, requiring fine spray and spray. If the weather is dry, it needs to increase the amount of water. When spraying, pay attention to the wind direction and prevent the liquid from floating to other crops to produce phytotoxicity. After spraying, prevent people and animals from trampling into the ground so as not to damage the film layer and affect the weeding effect.

3. After the seedlings are planted, artificial seedlings are planted, and two ridges are required to be stepped on between the furrows to reduce tread area. If the weed base is relatively large, we can use 100 grams of dimethyl tetrachlorohydrin to 50 kilograms of water in the 6-leaf period of corn or 100 ml of 40 kauved grass emulsion to 30 kilograms of water to spray the stems and leaves of the weeds.

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