Variety selection The main varieties of big-leaf spinach should be selected from the two varieties of “vanguard pioneer†and “all-roundâ€.
Before the construction, the land will be ploughed and the land will be ploughed, and the field will be leveled. At the same time, the building will be built. The width will be 2.6 meters, the width of the gutter is 0.25 meters, and the depth is 0.2 meters.
Suitable sowing is generally planted in the middle or late September, with 9 rows per row, 25 cm spacing and 6 cm spacing.
Fertilizer and water management combined with site preparation for basal fertilization, per acre applied to maturity farmyard fertilizer 1500 kg to 2000 kg, imported ternary compound fertilizer 40 kg to 50 kg, ploughing into the soil; top dressing in the early growth stage of spinach 5-6 leaf stage, per acre Application of urea 10 kilograms ~ 15 kilograms, raise seedlings and promote strong. Large leaf spinach needs more water than other dry land crops, and the soil moisture content should be controlled in the soil by hand to form masses and spread to the ground.
After the emergence of the field management, whether there is no seedlings and broken ridges, timely reseeding after the discovery, to ensure that the whole seedlings, Qi Miao. Clean up the trenches, gutters, and trenches outside in a timely manner. Drain and sink in case of rain to prevent waterlogging. Large-leaved spinach has a high planting density, a small amount of space in the field, and a small amount of grass. Generally, it does not use chemical agents to remove weeds, but is manually removed to ensure that there is no weeding in the field.
Disease and Insect Pest Control The major disease of spinach downy mildew is spinach downy mildew, which can be used in the early growth phase of spinach (5 to 6 leaf phases), with 58% metalaxyl MnZn wettable powder 100g spray control 50 kg of water per acre. Spray twice. See locusts at the seedling stage, and control 15 g of 5% imidacloprid during the first dose.
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