In April, there are two solar terms, Qingming and Guyu. At this time, it is the season when the spring is bright and the grass is green, and the rainfall in April is also abundant. This month's agricultural management is mainly to sow seedlings, seedlings and planting of various vegetable crops; strengthen the field management of open vegetables and shed vegetables; all kinds of vegetables in sheds should be harvested in time. 1, sowing, seedling Cabbage, radish, spinach, celery, medlar, wormwood, leeks, bamboo leafy vegetables, arborvitae, cowpea, edamame, lentils, peas and potatoes in the open field; cucumber, medlar, cowpea, cabbage in the open field; ginger to be germinated Replay. 2, planting Solanum, melons, beans, lettuce, bamboo leaves, peas, etc. are covered with mulch or open field. 3. Field management Seedlings should grow quickly and timely. If continuous rainy or manpower is not enough to colonize on time, the nutrient sputum should be opened to open a large nutrient area, and the control of watering should not allow the seedlings to be squeezed and cause a long time; rational intercropping not only increases the multiple cropping index but also It is conducive to changing the microclimate in the field. For example, the effect of interplanting melons, beans and other vegetable crops in lettuce is very obvious; before planting, it is necessary to do a good job in deep cultivation, soil preparation, and foot fertilizer; All kinds of vegetables in the shed should be removed from the sheds in the shed, finely managed, combined with the weather conditions to release air, drain and cool, creating good environmental conditions for crop growth. Tomatoes, cucumbers, kidney beans, and cowpeas should be laid in time to prevent lodging; tomatoes should be sprayed with tomato spirits to protect flowers and fruits; all vegetable crops should be sprayed with potassium dihydrogen phosphate solution; melon crops should be artificially pollinated; melons should be 3 to 4 leaves Spraying ethephon can increase the yield by early maturity; cauliflower and celery should also be sprayed with borax solution for topdressing. The celery should be sprayed with 9200 liquid (1g powder plus 50kg) to increase yield and quality; pay attention to cultivating to make the soil breathable well and ensure the normal growth of crops. When the mulch covered vegetables are properly planted, the water should be properly watered to prevent the excessive moisture from causing dead roots; the vegetables cultivated in the open field should pay attention to the contradiction between cultivating and weeding to solve the glory and competition of weeds and vegetables; chemical weeding strictly according to the operation rules get on. (1) Plastic large and medium-sized tomatoes, peppers, eggplants, cucumbers, and zucchini. After the middle and late of this month, as the temperature rises, the large and medium-sized sheds should be ventilated day and night. At the same time, attention should be paid to the timely harvesting of the door fruit and the root melon. To facilitate plant growth and upper results. (2) Spring cabbage, spring lettuce, winter radish should continue to do the work of clearing the ditch, and pay attention to timely harvest. (3) Garlic (garlic cloves, garlic cultivation): Stop watering for 3 to 4 days before picking, and carry out cultivating loose soil for pumping. After picking, pay attention to keep the soil moist; in case of drought, watering and applying ammonium sulfate 10~15kg per acre will promote the garlic head. Stop watering 5 to 7 days before collecting garlic to avoid rotten garlic and loose petals. (4) Radish: When the radish planted from February to March is out of the true leaves and “breaking bellyâ€, each seedling is once, and the row spacing is 17-20 cm square. After the "breaking belly", the roots began to expand and apply heavy fertilizer, applying urea 10 to 12. 5Kg per acre and paying attention to pest control. (5) Spring Chinese Cabbage: Spray 0.3% to 0.4% of potassium dihydrogen phosphate solution 4 to 5 times for the top dressing period. The ground is not dried or watered, and it is necessary to prevent soft rot, downy mildew and anthrax. (6) Amaranth: If planted in plastic large, medium shed, see the emergence of seedlings, pay attention to ventilation and watering. When the temperature of the shed reaches 20~25°C, the opening is ventilated. When the surface of the shed is white, the water is sprinkled with a fine watering can. Generally, it should be carried out at noon. The outside temperature reaches 15~20°C, and all the plastic film is uncovered, which avoids the high temperature induced disease and meets the seedling. The need for moisture. When a piece of real leaves begins to topdress, use a fine-poor watering can to apply 20% of the decomposed human and animal excrement, and then apply 30% of the decomposed human and animal excrement, ammonium sulfate and superphosphate every 7 to 10 days, ie each Add 1000g of ammonium sulfate and 1-2kg of superphosphate to 1000kg of manure water, and apply fertilizer after each harvest or dredging. (7) Amaranth (spinach): After the emergence of seedlings and seedlings, the application of decomposing human and animal excrement to the water 3 times should be applied to the seedlings. The whole growth period should pay attention to watering and topdressing to keep the soil moist, the plants have sufficient nutrients and vigorous growth. . Pay more attention to timely watering and topdressing after each harvest. 4. Pest control Pay attention to the control of tomato gray mold, early blight, late blight, brown rot, eggplant brown streak, cotton blight, melon vegetable anthracnose, lettuce downy mildew, sclerotinia, etc., pay attention to control aphids, yellow guards, small land Tiger, yellow curved beetle, diamondback moth, cabbage caterpillar, spotted fly, etc. 5, harvest Cabbage, radish, carrot, cabbage, lettuce, sage, sorghum, spinach, leeks, kale, cauliflower, cucumber, melon, loofah, zucchini, kidney beans, kidney beans, tomato, eggplant, pepper, leeks, bamboo leaves, sunflower , è—•, etc. April is a busy month. It is necessary to do a good job in nursery, but also to manage and harvest. I hope that the weather will be smooth in April, and the majority of growers will be able to increase production and income.
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