In the highland-high sandy region on the north bank of the lower reaches of the Yangtze River, there is abundant temperature, light and water resources, and it is suitable for the growth of many kinds of grain and crops. In order to meet the needs of agricultural structural adjustment, the area has developed a mode of efficient cultivation of spring potatoes, green corn and blue garlic, which is conducive to agricultural efficiency and farmers' income increase. General 667 square meters of potato production 1500 - 1800kg, the output value of 900 - 1100 yuan; 667 square meters of fresh corn sticks about 1000kg, the output value of 800 yuan; 667 square meters production of garlic about 3000kg, the output value of 1200 yuan. The total output value of the three crops in the year was 2,900-3,100 yuan, and the net income per 667 square meters was 1800-2,000 yuan for farmers, fertilizers, medicines, and laborers, which was three to four times higher than that of wheat and rice.
I. Planting specifications and cornice arrangement The three crops are pure crops throughout the year. The spring potato is cultivated in high ridge and double row plastic film in early February. The ridge distance is 85-90cm, the ridge height is 20-25cm, and the plant spacing is 25-30cm. 5000-6000 plants per 667 square meters, harvested and listed in stages before and after May 20th; corn planted in the beginning of May using a system of larvae for raising larvae, before the end of May, they will be transplanted and planted in size by Honda, with a large row spacing of 90cm and a small row spacing of 30cm. Plant spacing 22 - 25cm, 667 square meters planted 45000 - 5O00, harvested at the end of July before and after the harvest of fresh corn on the market; garlic in mid-August with a flat plate onion on demand, the average spacing of about 12cm, 3.5cm spacing, every 667 square meters Rice 150,000 plants were harvested from top to bottom, from mid-October to the Spring Festival, and early harvests allowed the planting of autumn and winter vegetables, which in turn increased some economic income.
Second, the main cultivation techniques (A) spring potato selection of high yield and stability, disease resistance, potato blocks, good mouth-featured good early varieties "Kexin 4" improved varieties. Choose disease-free and insect-free, moderate-sized, 50-100g detoxified potato chips for planting, big potatoes to be diced and sterilized, and soaked with 1x10-6 gibberellin solution for 5 to 10 minutes, and use vegetables shed after drying. Or a small shed cover film for germination, when the shoot length 1 - 2cm when transplanting Honda. Honda needs to apply base fertilizer once and for all, 667 square meters of cooked ash or manure over 2O00 kg, high concentration of compound fertilizer 40kg, deep plowing after application 25cm, squaring and planting potatoes according to specifications, sowing depth 10cm, 667 square meters after sowing With 72% Dole 100ml 50kg of water sprayed on the surface of the ridge, and then cover the film insulation moisturizing antifreeze, Qimiao promptly break the film and put the seedlings and grab the soil compaction film break. Seedling timely attention to weeding, 667 square meters Shishu decompression of thin water manure 1200kg plus urea 5kg point pouring; budding stage depending on the situation of 667 square meters of seedlings and decomposed human livestock manure 1000kg or so. Remove flower buds before flowering to reduce nutrient consumption; 667 square meters of Wangchangtian uses a spray of Vitrazine No. 4 to improve the control and promote the role of drought resistance, disease prevention and insect control, and ensure robustness. Grow.
(2) Maize is selected from high quality, high yield, sweet and delicious "Suiyujing No.1", "Zhongkai No.1", "Sutian No.8" and other sweet and sweet corn varieties. Pay attention to the isolation and cultivation of normal corn and different grain color varieties to prevent stringiness from affecting quality and commerciality. When the young seedlings are about 20 days old and the leaf age is about 4 leaves, the size of the seedlings is transplanted into Honda. When the Honda potato is split, the ridge is leveled, and 667 square meters of decomposed human livestock manure or ash fertilizer is 1500kg, and high-concentration compound fertilizer is 25-30kg. It is best to concentrate on small rows, deep plowing 20cm, mixing fertilizer and soil, and fine Leveling, every 4 - 6 lines to excavate a vertical rake, and then according to the specifications pull the rope fixed point to play ponds transplanting, planting water after the sink. Top dressing is usually divided into two applications: the first time before jointing every 667 square meters of manure manure 1000kg plus ammonium bicarbonate 15kg; the second in the booting stage (8 - 9 leaves when launched), 667 square meters of carbon Ammonium 40kg or urea 20kg, combined with drought resistance and earthworms rooting, the main attack more large spikes. In the middle and late stages, attention should be paid to disease prevention and pest control to improve the appearance quality of fresh ear. In addition, we must strictly control the appropriate harvest period, generally 18-23 days after flowering and pollination of corn harvested fresh ear market, its edible quality is good.
(3) Green garlic is selected from the high yield of garlic, cold-resistant and cold-resistant, such as “dihydrated water†or “green snowâ€. Before sowing, select the garlic and split the petals, immerse them in fresh water for 1-2 days, remove and then soak in 1:500 times carbendazim for 10-12 hours, remove and dry to dry. Honda will continue to fertilize the corn immediately after harvest, and 667 square meters of high-quality ash fertilizer will be used for 2,500kg, 100kg of cake fertilizer, 50kg of compound fertilizer, and 20cm of deep tillage. The soil will be well-mixed, and the whole plan will be smoothed. Thin water manure 1000kg per 667 square meters, after sowing re-covered soil leveling. The rice noodles cover the straw, aquatic plants, etc. to keep the soil moist. Seedlings of the three-leaf period of 667 square meters of decomposed thin manure 1000kg plus urea 8kg; 6 - 7-leaf period of 667 square meters of decomposed thin water manure 1500kg plus urea 12kg. When harvesting is generally uprooted, but also can be cut stems and leaves to catch the morning market to sell a good price.
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