1. Variety selection
Cultivation of wheat stubble pepper should choose varieties with strong heat and humidity tolerance. The varieties that can be used in northern areas mainly include early-maturing pepper hybrids such as Baojiao No. 10 and No. 11.
Second, nursery
1. Sowing period
The sowing and seedling period is calculated according to the 60 days after the wheat harvest as the planting period of pepper. Generally, the seedlings are sown from the end of March to the beginning of April, and the seedling age is 55-60 days. It is planted to the wheat stubble field around June 10.
2. Floating seedlings
Build a plastic greenhouse for seedlings, and then lay a seedling pond according to the pepper planting area. The design is generally based on 67,500-75,000 seedlings per acre. After the seedling pond is built, prevent one floating seedling tray and floating seedling special fertilizer before the seedling tray enters the water 10 The kilogram configures the nutrient solution. Sow 1-2 coated seeds in each nursery hole with a sowing depth of 5-10 mm. Using the method of first sowing and then covering the substrate, a layer of 1-2 mm thick substrate is sprinkled on the surface of the seed after sowing.
3. Seedling management
The principle of water management for floating seedlings is "less first, then more". From the sowing to the big cross period, the general water depth is controlled at 5-6 cm. After the true leaves of the pepper seedlings are expanded, the temperature gradually rises. The water depth in the nutrient tank can be increased to 8-10 cm. In principle, the seedling pond ridges are leveled. The depth of the pond water is just right; when 4-5 pieces of true leaves are added, add 20 grams of special fertilizer for floating seedlings to each seedling tray for the second fertilization. At the same time, spray a mixture of potassium dihydrogen phosphate and urea on the seedlings according to the growth of the seedlings. Supplement nutrition to promote the healthy growth of pepper seedlings, spray fertilizer at an interval of 7-10 days. In order to prevent the production of green algae, add 1 gram of copper sulfate to each seedling tray, and evenly drive it into the seedling pond at 5 points and stir it evenly; before emergence and during the seedling period, it should be ventilated in a timely manner according to the weather and temperature, and the surface temperature of the seedling tray should be kept at 20 -25°C.
Three, land preparation and bordering
The cultivation of peppers with wheat stubble should be prominent early, and it should be strong early mechanical harvesting, early soil preparation and fertilization, early ridging and film mulching, and early four-zone planting. It can be applied to 750 kilograms of ternary compound fertilizer per acre plus 300 kilograms of urea per acre, 1.2 meters belt ridge mulching.
Four, colonization
Plant 2 rows in wide and narrow rows in each ridge, 70 cm in width and 50 cm in narrow rows and 33 cm in plant spacing. Triangular staggered and planted. Water enough water for planting in time after planting.
5. Field management
When the wheat stubble peppers are planted, the temperature is relatively high, and the seedlings are basically not slowed down, and the growth is fast. It is necessary to promote the plants. Strive to seal the plants before the hot weather in July. Therefore, it is necessary to pour enough slow seedlings to hydrate and hair water at the right time. The amount of water should be increased during the flowering and fruiting period, and the pepper should be drained in time after being afraid of waterlogging and rain. The principle of fertilization is to apply the seedling fertilizer once after the slow seedling, and apply 150 kg of urea per mu; after the fruit is set, apply the Pengguo fertilizer once and apply the compound fertilizer 225-300 kg per acre. Before and after the beginning of autumn, the flowering and fruiting period will be in full bloom, and 300 kilograms of compound fertilizer per mu is applied to prevent premature aging and increase yield. Each fertilization should be combined with watering. In the early stage of planting, cultivating to promote roots, the first soil cultivation after the door pepper sits down, and the second soil cultivation can be carried out in mid-to-early July when the pillar ridges are closed.
Six, harvest
Harvest according to market conditions and fruit size. Harvest in time, otherwise it will affect the later fruit growth. In the late autumn season, proper late harvesting or silage preservation after harvesting can not only increase the selling price, but also increase economic benefits.
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