First, pea planting
1, choose the best species. The early-maturing pea cultivar Zhong pea No. 6 was used. Its plant height was 40-50 cm, and the average individual plant yielded 5-8. It was about 66 days old from emergence to maturity, and it was resistant to cold and drought.
2, soil fertigation. Soil thawing after soil thawing in early spring, ridge spacing 27-30 cm. Apply base fertilizer and increase phosphorus and potassium fertilizers. With ridges, 3-4 cubic meters of fertilize fertilizer per acre, nitrogen-phosphorus potassium ternary fertilizer (content of 15%) 40-50 kilograms of base fertilizer as a one-time application.
3, cultivation points. To be sown on April 5-10, with a sowing rate of 15-20 kilograms per acre, a row spacing of 30 centimeters, a soil thickness of 3 centimeters, timely repression, and 55,000-60000 strains per mu. After the peas emerged from the seedlings, they loosen the soil 1 times to improve the temperature and promote hairy roots. According to Miaoqing fertilizer, Mushi urea 5-7.5 kg. During the flowering period and pod stage of peas, the soil was watered 2-3 times. In the middle of May, attention should be paid to the control of leaf miners, and 40% Dimethoate EC 1500 times and 50% Dichlorvos EC 800 times can be used. Spray every other week and spray 2-3 times. The powdery mildew occurs in the middle and late stages of pea growth, and it can be used to control 1-2 times of Triadimefon 1000 times spray. Harvest in time in late June.
Second, sweet corn planting
1, sowing seeds. The use of glutinous sticky No. 5, Zhongtian No.2, Green Superman and other fine varieties.
2, timely. The peas are harvested in the middle or late June, and sweet corn should be planted around July 10.
3, soil preparation and fertilization. After the peas are harvested, they should be turned to the ridge in a timely manner. The row spacing should be 55 cm and the plant spacing should be 33 cm. The sowing rate of 1-1.25 kg per acre is about 3500 seedlings. According to on-demand, 10 kg of ammonium phosphate per acre will be used as mouth fertilizer and isolation of seed fertilizer will be done. Soil sowing at the time of sowing should be sufficient, and if the soil moisture is insufficient, it is necessary to artificially make it.
4, field management. Artificial weeding 2 times, during the big bell-mouth period (August 20th), topdressing 25 kg of urea per acre. During the growing period of sweet corn, there are many tillers and spikelets, and it is necessary to complete the tillering in time. The earliest panicles of each ear are left with only the top 1 ear, and the rest are removed to prevent affecting the growth and development of the main panicle. Planting sweet corn requires a separation zone, and there is a certain distance between it and ordinary corn, otherwise it will affect the quality of sweet corn.
5, timely harvest. Whether harvesting timely relates to the quality and yield of sweet corn, the harvest time is about 25 days after silking, the higher the temperature during the filling stage, the shorter the ripening time, and vice versa.
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