Rencheng District of Jining City, Shandong Province is the hometown of Chinese stevia. In recent years, we have vigorously promoted the pollution-free cultivation techniques of early potato-stevia-Akimai cabbage, which not only reduced the market risk caused by planting a single crop of stevia but also greatly increased farmers' income. The planting pattern is generally 1200 to 1300 kg for potato production, 300 to 350 kg for stevia, 1600 to 1800 kg for cabbage, 5,000 to 5,500 yuan for 667 square meters, and 3,500 to 3,800 yuan for 667 square meters.
1 Production conditions
The production of pollution-free agricultural products requires no pollution sources within 2 km of the surrounding areas. The atmospheric environmental quality, irrigation water quality, and soil of the farmland are in line with the standards of pollution-free agricultural products bases. At the same time, the soil is deep and the organic matter content is high.
2 species selection
Potatoes in early spring were selected from Lufen No.8, Ludwig 15 and Dongnong 303. Stevia is selected from the varieties of Hua Xian 1, 2 and 3 with high yield, strong resistance, and high sugar content. Autumn cabbage uses Xia Guang.
3 Mouthwash arrangements
Potatoes are sown in early spring in late February and harvested in mid-to-late May. Stevia is raised in early April and transplanted in mid-to-late May. Autumn cabbage was raised at the end of July and early August, transplanted after 25 days, and harvested in October.
4 Planting specifications
In the early spring, the potato was cultivated with wide and narrow rows of ridges. The ridge distance was 1 meter, the ridge width was 60 centimeters, the ridge height was 15 centimeters, a ridge was double row, the width was 70 centimeters, the narrow row was 30 centimeters, the plant spacing was 25-30 centimeters, and 667 square meters were planted. 4200 to 4600 strains. Stevia is planted in large and small rows, 40 to 45 centimeters wide, 30 centimeters apart, 10 to 12 centimeters in spacing, and 16,000 to 18,000 plants planted on 667 square meters. Autumn cabbage spacing 40 ~ 45 cm, spacing 40 cm, 667 square meters planting 3500 ~ 4000 strains.
5 Field Management
5.1 In early spring, potatoes are cut and warmed before sowing, and 40 to 50 pieces per kilogram are cut. Each piece has at least one middle and upper healthy bud, and the warm seeds are 15 to 20 days. The young sprouts can be transplanted to the field. Before transplanting Daejeon, apply enough base fertilizer, deep plowing 20 to 25 centimeters, ridging according to specifications, spraying herbicide Dole after sowing, then filming, and placing seedlings after watering. During the planting stage, 15 kg of urea was applied for watering, watering was conducted 15 to 20 days before harvest, and pests and diseases were prevented during the growth period.
5.2 stevia stevia small arch shelter nursery, field and seedbed area ratio of 15 to 20:1, seedbed width of 1 to 1.2 meters. Before planting, sufficient base fertilizer should be applied. 667 square meters of high-quality soil-fertilizer should be applied to 1,500 kg of diammonium, 20 kg of diammonium or 50-60 kg of normal calcium. Fine sowing, sowing seeds before soaking 2 to 4 hours, mixed with fine sand evenly spread on the seedbed, and then lightly pressed with a plastic film wrapped board, covered with fine sand, semi-exposed seeds half buried is appropriate. 4 to 5 days before transplanting, the film will be dismantled, Daejeon will try to apply soil miscellaneous fertilizer (better chicken manure), and 667 square meters of soil-fertilizer will be 1500 kg or more. Sacofox (15:15:15) 50 kg (30 kg of urea and 20-25 kg of diammonium). Immediately after transplanting, seedlings were inspected and seedlings were planted; cultivars were planted 2 to 3 times before mulching, and 7 to 9 plants were picked up when they were on true leaves. After the seedlings are sprayed, 30 kg can be used for spreading, 30 kg for kel, and 30 kg can be sprinkled before spreading. Watering in case of drought during the growing season and encountering water drainage. At the same time, do a good job of pest control, timely picking plant after the ridge after the old leaves.
5.3 Qiucai Seedlings from the end of July to the beginning of August, 25 to 30 days after the field transplanting, 667 square meters before transplanting quality fertilizer 2000 to 3000 kg, urea 10 to 15 kg, diammonium 20 kg, transplant spacing 40 to 45 cm , Plant spacing 40 cm, 667 square meters, planting 3500 ~ 4000, after planting watering, drought after watering, ball stage 667 square meters of urea 20 ~ 30 kg, in late October based on market conditions and cabbage growth timely mining Close listing.
Organic Rice refers to the Rice planted in the process of planting rice, using natural organic cultivation methods, and completely using natural farming methods. Organic rice must be a good quality rice variety recommended by the planting improvement field, and chemical fertilizers, pesticides and growth regulators cannot be used during the cultivation process.
Organic Rice
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