Grain and potato intercropping cultivation techniques

Rinse mouth arrangements should use high-slope, sandy soil, well-drained fields. If rice pods are to be planted, they should be ploughed and hoeed and ripened. Each 2 meters wide is a combination of 4 rows of potatoes per combination, interplanting 4 rows of corn. Potatoes were sown in early February and harvested in late May. Corn was sown in late March and harvested by the end of July.
The main cultivation techniques potato. The precocious and high-yielding Kexin 4 variety was selected. 150-175 kilograms of plantings per acre are prepared and cut in 200-250 times of formalin for 20-30 minutes after slitting. Before sowing, 1500 kg of ash fertilizer per acre, 40 kg of high-concentration compound fertilizer, 2000 kg of manure, cultivating and drying after fertilizing, lofting, ditching, width of 20 cm, width of 1.8 meters, after leveling, Plant a potato from the first group of 2 rows at a distance of 12 cm from the ditch, and soak the second group of 2 rows of potatoes every 65 cm (large row spacing). Small row spacing is 20 cm, plant spacing is 25 cm, sowing depth is 12-15 cm. Density per mu. About 5,500 strains were sprayed with 90 kg of water and 60 kg of water per acre to prevent weeds. It was then covered with a 2 meter wide plastic film. At the end of March, the membrane ruptured. At the beginning of flowering and full flowering, 20 grams of paclobutrazol per acre was sprayed on 50 kg of water to dwarf the plants.
corn. Dandan 13 corn varieties were selected. Two rows of corn were planted at 25 cm on both sides of the second group of potato, with 2 rows of corn sown at each hole, 2-3 seeds per hole, 20 cm spacing, 30 cm spacing, 4500 in density per acre, and wetted soil after sowing. Sealed, anti-high temperature burning seedlings. Seedlings of 5 leaf stage Dingmiao, after Dingmiao water manure per acre 1500 kilograms in a small bank to play point Miao Fei. When the plant showed a leaf deficit of 5, the deep ear fertilizer was applied between the trees, and 1500 kg of manure and 50 kg of ammonium bicarbonate were applied per acre. Large bell-mouth period with crystals of trichlorfon 150-200 grams plus 200-250 grams of carbendazim, 60-70 kilograms of water, spray the whole plant, control corn borer and corn large and small spot.

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