First, soil preparation
Peas are deep-rooted crops, deep ploughing is conducive to the development of the root system, and multiple basal fertilization has a significant increase in production. General Mushi compost manure 2000 to 3000 kilograms, superphosphate 20 to 30 kilograms or compound fertilizer 30 to 40 kilograms.
Peas are sown in spring from March to May, and greenhouses are planted in August. Before sowing, select seeds with 40% salt water and rinse the seeds. Seed hypothermia treatment can reduce flowering nodes, early flowering and promote branching, and increase yield. The method of vernalization at low temperature is to soak seeds in fresh water for 2 hours before sowing. The amount of water is half of the seed volume. During the soaking period, the seeds are often turned. The seeds are fully inflated and then removed. The seeds are germinated at room temperature for about 1 day, during which time the water is regularly used. Rinse and replenish moisture. Treat the seeds at 0°C to 5°C for 10 to 20 days when germination starts.
After the low-temperature vernalization, the pea seeds can be re-planted with rhizobia, which can increase the number of nodules, promote the growth of stems and leaves, produce more pods and increase the yield. The seed dressing method is very simple, it will be used rhizobium powder 10 ~ 15 grams / acre, add a small amount of water and seeds and mix well after sowing.
Most places are cultivated in flat rakes, and low-lying and wetlands can be ridged, drilled, or sown. Proper close planting, increasing the number of plant groups, the number of branches and knots per plant is the key to increase production. General spacing 20 to 30 cm, spacing 3 to 6 cm or 8 to 10 cm in diameter, 2 to 3 per hole. Plants with larger plants are generally 50 to 60 cm apart, with a 20 to 23 cm spacing and 2 to 3 per hole. After sowing, the seeds can be fully contacted with the soil to ensure water absorption, and the cover soil thickness is 4 to 6 cm. Pea seeds are large, germination time is long, sowing is too shallow, easy to dry and dehydration, resulting in lack of seedlings broken ridge.
Second, field management
Sprinkle small water before flowering, and apply topdressing nitrogen fertilizer to promote the growth and branching of stems and leaves, and prevent flowering drought. No watering during flowering period, cultivating crops to prevent leggy. Until the base fruit has been sitting and began to water, and topdressing phosphorus and potassium fertilizers, in order to facilitate the increase in the number of flowers, pods and seed grains. During the prosperous period, the soil is kept moist and promotes the development of pods. When the number of pods is stable and the plant growth slows down, reduce the amount of water and prevent lodging. Windy weather does not water, to prevent lodging. Varieties of soft pod pods have a long growth period. Generally, nitrogen and potassium fertilizers should be applied once during the harvest to prevent premature senescence, extend the harvest period, and increase yield.
Peas are susceptible to falling and falling. The reasons are related to factors such as excessive plant density, excessive fertilizer and water, excessive nutrient growth, dry and hot air during flowering, or hot or windy weather, drought or waterlogging during flowering. Good varieties should be selected, timely sowing, and fertilizer and water management work should be strengthened to ensure the balance between vegetative growth and reproductive growth, so as to reduce the decline of flowers and plants.
Spikes and semi-sprawling varieties of peas should be bracketed at a height of about 30 cm. Most of the use of herringbone stand, plant next to the rod, bamboo truss frame spacing of about 1 meter, stalks of stalk frame is 20 to 30 cm, the top of the cross tie tight, with a wire or nylon rope tied around the frame between the 3 to 4 Road , spacing 20 ~ 30 cm, in order to stop the pea vines and strengthen the stent. The semi-branched species can support shorter hedgerows and tie 1 to 2 horizontally. When the planting density is large or the branches of the plants are large, the branches may be appropriately thinned to facilitate ventilation.
Third, harvest
Soft pod peas 7 to 10 days after flowering, pods have been fully grown, beans have not yet developed, suitable for harvesting. The harvest time of tender oysters can reach 20-40 days and the output is 450-2000 kg/mu. Hardy peas consuming tender bean granules were about 15 days after flowering and the seeds were enriched, while the seed coats had not yet hardened before harvesting. If the collection is too late, the sugar and vitamin C in the beans will decrease, the starch will increase, the soluble nitrogen will decrease, the insoluble protein nitrogen will increase, and the quality will deteriorate. The yield of barley of soft bean grains is 400-900 kg/mu. Seedling pea shoots are generally about 30 days after sowing. The seedling height is 16 to 18 centimeters. When 8 to 10 leaves are harvested, they are harvested once every 10 to 20 days and can be harvested 4 to 8 times. Production 650 to 2000 kg/mu.
In-Car Care refers to the cleaning and maintenance of parts and the
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There are five general categories of lubricant additives used in
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For the car interior care, low-cost, low-tech, low-profit is the basic characteristics of the industry, so in 2000 this industry into a large number of businesses. In 2004, the industry experienced a big turmoil, from the initial stage of development to the upgrade phase.
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