Cabbage, corn, leeks and intercropping can make full use of land, economic benefits significantly.
Cabbage sown in mid-January, with 50 grams per acre. Before sowing, soak in 20-30°C warm water for 2-3 hours, remove and germinate at 20-25°C for two days. The seeds were sown when exposed, and 0.5 cm thick sand was sowed after sowing, covering the plastic film and haystacks with a small arch. Before the 3rd leaf stage, the seedlings are prevented from growing indefinitely, staying at 20-30°C during the day and not less than 2°C at night. Keep the soil moist and free from cracks. After the 3rd leaf stage, it will be warmed and moisturized to prevent premature convulsions. During the day, the temperature will be maintained at 20-25°C and at night not lower than 10°C. Ventilate the seedlings 10 days before colonization. Planted at the end of March and early April. Three rows of ridges were planted, and three lines of cabbage were planted within a width of 1 meter. The row spacing was 40 centimeters and the spacing was 30 centimeters. 2800 plants were planted per acre. After the planting, a small arch shed was affixed and watered in time to stabilize the seedlings with water. A total of 3 waters were poured. In the early stage of the ball, 15 kg of urea per acre was applied in combination with watering, and 40% of dimethoate EC was used to control cabbage caterpillar twice. Harvested in mid-May.
In late April, corn was planted between rows of cabbage, leaving 3,500-4,000 strains per mu. Maturation per acre base fertilizer 1500 kg of organic fertilizer, 25-30 kg of ammonium bicarbonate, 30-40 kg of superphosphate, potassium nitride 10 kg, 1-1.5 kg of zinc fertilizer. Timely set seedlings, weeding and weeding. During the growth period, 50-75 kg of ammonium bicarbonate was applied, and 60-70% of the fertilizer was applied at the jointing stage and 30-40% of the fertilizer was applied at the big bellmouth stage. Harvested from mid-August to early September.
Amaranth choose organic rich, loose plots do seedbeds, per acre Shi organic fertilizer 2000 kg. After cultivating fine stalks, we will make rakes, which are 1.2 meters wide and 10-15 meters long. Sowing before and after March 20, 300 grams per acre. Do not water early after emergence so as not to reduce ground temperature and soil compaction. Seedling height 5 cm time, Dingmiao, so that the distance between the leeks kept at about 3 cm, timely weeding. In mid-June, cabbage was transplanted after harvest, and each row was planted in 6 rows with a spacing of 5 cm and a plant spacing of 12 cm. The planting depth was calculated as the degree of burial of small bulbs. Before planting, deep-cast, 4000-5000 kg per acre Shi organic fertilizer. During the growth period, the top dressing should be combined with watering to promote pseudo stem growth. Harvested in early November.
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