Potato Intercropping Winter Maize Production Technology

The potato intercropping winter corn production technology is to make full use of the high photosynthetic efficiency of corn and the drought-tolerant and yin-like characteristics of the potato. The two crops are tall and short, exert crop regulation and side-line advantages, increase the utilization of light energy, and make full use of limited land resources. , improve the comprehensive production capacity of land. The potato intercropping maize cultivation techniques that were tested in Mangdong Town in Lianghe County in 2009 had achieved good economic benefits. In order to increase inter-planting efficiency, it has become a bright spot for farmers to increase their incomes. The Lianghe County Agricultural Technology Promotion Center has comparatively tested several interplanting models. The effect of planting corn in two rows of potatoes and one row of corn is good. Its cultivation techniques are as follows: 1. Selecting high-yield and disease-resistant varieties to select high-yield and disease-resistant varieties is an important basis for increasing the yield per unit area. Lianghe County's currently well-performing potato varieties include “cooperation 88” and “Zhongdian red”. No. 4". Second, the election site potato is a kind of joy crops, its roots are not developed, suitable for cold, moist environment, fear of embarrassment, drought, not high temperature, the harvest is underground tubers, and should therefore be selected to have water, can irrigation Rows of soil, fertile soil, deep soil and loose soil sandy land plots are planted; rice and corn are the best for the former crops and should not be replanted or sown with potatoes or solanaceous crops. After the harvest, Li Geng ploughed the fields and turned the plows so that Tian Ping was fine. Xiaotian excavated the four sides of the ditch, and Daejeon processed the middle ditch or cross ditch. The ditch depth was 40 cm, and the deep plowing was 20-25 cm. Third, the seed treatment using disease-free seed potatoes, seed potatoes in 30 grams (large egg), require cutting and cultivation, on the sowing head one day, with a knife to take a longitudinal cut method (cut from the top of the seed potato to the tail), the species Cut into two or several pieces, each piece with 2 ~ 3 bud eyes, cut with grass ash plus carbendazim disinfection. The amount of mu is 150 kg. Fourth, to seize the season, timely planting According to the results of the cultivation test, the best sowing time for the winter potato planting in Lianghe is in mid-to-late December. During this period, the planted potato has a good growth and high yield. Therefore, it is necessary to seize this best time and order sowing. Potatoes should be sown first and then sown with corn. V. Scientific fertilization Potatoes are mainly based fertilizers, and they are replanting farmyard manure and compound fertilizers. There is a certain isolation between the seed and the fertilizer. The principle of potato fertilization is “potassium increase, phosphorus conservation, nitrogen control”, 1500-2000 kg of fertilizer per acre, and 40-50 kg of ternary compound fertilizer (15:15:15). Calcium phosphate 40 kg mainly based compound fertilizer; corn acres of urea 15 ~ 20 kg, general through the calcium phosphate 20 ~ 30 kg. Add 1 package of insecticide per acre in the fertilizer to control the underground pests. After excavating the potatoes, combine cultivator soil and apply 15-20 kg of urea per acre. Six, standard planting potato spacing is 80 cm, plant spacing 15 to 20, after sowing from the furrow depth of 30 cm or so. Then two rows of potatoes were sowed in 1 row of corn. The distance between the rows was 10 cm. The number of basic shoots was 4,500 to 5,000 for potatoes and 2,500 to 3,000 for maize. The light intensity was increased from east to west. VII. Strengthen field management (1) See the corn seedling emergence in 10 to 15 days after the film is sown. When the seedlings grow to 3 to 4 leaves, break the film in time. Move the seedlings out of the membrane to avoid burning seedlings and use fine soil. Base film compaction; (2) frost control can be used field irrigation and spray two methods, according to the meteorological and local experience, in the frost period, the irrigation conditions are good irrigation, difficult to irrigate the field, the sprayer spray can be used to prevent frost . The specific approach is to go to the field in the morning during the morning frost and check whether the leaves are frosted by hand. If the leaves are frosted, use a sprayer to spray water before the sun goes out, so that the leaves frost layer melts as quickly as possible; (3) The scientific irrigation of potatoes is A crop with a relatively large amount of water, if the water supply is insufficient, will seriously affect the yield and quality of the potato. Therefore, in actual production, appropriate irrigation should be performed according to the soil moisture content. When water is poured, it should be understood that water cannot diffuse through the surface, and must be fast-irrigated so that the soil moisture is maintained at 60% to 75% for a long period of time ( 4) After timely cultivation of top-dressing potatoes, 15 kg of urea is applied to the corn, and cultivating soil is removed in the film to prevent lodging; (5) Prevention and control of diseases and insect pests Potatoes with late blight or early blight were treated with mancozeb and silver failie. And underground tubers into the rapid expansion period, the soil can not be flooded and wet, prevention of bad potatoes; corn borer can be used "enemy spirit" Irrigation leaf control. Eight, timely harvesting of potatoes on the ground stems and leaves from green to yellow, leaves fall off, stems wither, underground tubers stop growing, and separated from the potato block, this time for the potato's best harvest period. Corn can be harvested when the outer leaves of the alfalfa turn yellow and become loose or the grains are shiny.

Nuts can generally be divided into two types: one is seeds, such as sunflower seeds, pumpkin seeds, peanuts, etc.; the other is tree nuts, such as pistachios, hazelnuts, cashews, walnuts, pine nuts, walnuts, chestnuts, almonds. And the macadamia and pecans that have been very hot in the past two years. These nut foods contain more protein, calcium and a variety of vitamins, which can provide the body with a variety of nutrients needed by the brain and body.

In general, a nut is a closed fruit classification of a nutrient-covered woody or leathery hard shell. The skin is hard and contains one or more seeds. It includes two types of tree nuts and fruit seeds, walnuts, chestnuts, pistachios, almonds, etc., which belong to the fruit seed class.

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