Cultivation Techniques of Sweet Pepper

Sowing seedling peppers have higher requirements for temperature and humidity. South China is suitable for one-year spring planting and autumn planting. Spring plants are planted from late February to mid-March, and autumn plants are planted from late July to early August. In order to improve the seedling rate and quality of peppers, nursery plants should be selected in greenhouses or small sheds. Using soil-based seedlings, use peat soil, river sand, and perlite 6:3:1 as the substrate, mix them uniformly, and install them in 8x8cm plastic seedling cups. Before sowing, the seeds were soaked with 10% trisodium phosphate for 15 minutes (minutes). After soaking, the seeds were soaked in warm water at 30°C for 2 to 3 hours (hours), and then germinated in an environment at 30°C until the seeds became white. Each cup is sown, then covered with a 0.8cm thick substrate, and finally covered with a shade net to soak the water. After 2/3 seedlings are removed, shade nets are removed, and 600 times of Precock spray is used to prevent damping-off. A 0.5% compound fertilizer water is poured once a week to supplement nutrients and cultivate strong seedlings, with 4--5 true leaves. When planting.

Before planting, we chose to plant a plot without planting Solanaceae crops. Before planting, we plowed deeply and finely and applied sufficient basal fertilizer. We applied 1,000 kg of decomposed chicken manure and 30 kg of compound fertilizer from the 667 m 2 plot, and the width was 1 m and the height was 25 cm. The sorghum surface should be smooth, with two rows of planting, plant spacing 30--35cm, planting in the shape of character, the plant spacing of the larger plant type is 50cm, the root matrix is ​​preserved when planting, to prevent root injury, immediately after planting water.

Field management (1) Fertilizer management After the planting, it is necessary to check the seedlings in time to keep the soil moist. A 1% compound fertilizer was sprayed for 7 days after planting to promote the growth of the plant. About 10 kg of 667 m2 of NPK fertilizer was applied for 10 days before flowering. After the first harvest, 667 m2 was topped with 20 kg of compound fertilizer and 10 kg of urea. Using a hole, fertilize 15-20 cm away from the root to avoid burning roots. After each harvest, top dressing was performed. (2) Pruning peppers are generally two-branch branches. The lateral branches below the main branch should be removed promptly, and the lateral branches on the main branch should be properly preserved to facilitate ventilation and light transmission, reduce nutrient consumption, promote flowering results, and increase the number of results. In order to improve the resistance to wind and lodging, these ornamental peppers should be cultivated using brackets or slings. The bamboo brackets should be selected before flowering and combined with cultivating soil. Each cross should be supported by two short bamboo branches. (3) Preserving fruits and fruit thinning temperature During the flowering period, when the temperature is higher than 30°C or lower than 15°C, it will cause poor powder resistance and affect the fruit set. It can be sprayed with tomato spirit or capsaicin to promote fruit set. When there are more results, some of the listed products may be properly harvested. In particular, mature fruits must be removed to reduce nutrient consumption so as not to affect plant growth. (4) Harvesting Ornamental peppers are generally used for viewing and can be eaten. The harvesting period should be determined according to their needs. If it is used for viewing, extra and mature peppers can be harvested to keep the plants growing vigorously and extend the viewing period. If it is used for food or processing, it will be harvested according to its own use in different colors and maturity levels. (5) Pest control The focus is on aphids, thrips, tea aphids, virus diseases, blight, and bacterial wilt. It can be used to control thrips and aphids 1500 times with 5% efficiency. - 1000 times spray to prevent tea aphids and other anthraquinones, use Prec 600 times to prevent and treat diseases, use viruses to control virus disease 1000 times, and use 72% of agricultural streptomycin 4000 times to root and prevent bacterial wilt, be careful not to use for a long time The same drug should be used alternately to prevent pests from developing resistance.

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