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Wild cultivated Dioscorea points


Integrated plant cultivation technology policies related (Dali Agricultural School, Dali, Yunnan 671003) is an important crop of corn, high yield potential, more deep-processed products and high added value, widely used in food production has an important position. The total production of maize over the past Dali is achieved by increasing area, planting a Now with the growing population, diminishing arable land, production technology continues to improve, Cultivation methods in order to change this bad, Dali Prefecture since 1996, for 7 years for the corn seedling nutrition bowl large directional high density technology pilot demonstration and popularization, and promotion of area increases every year, increase yield very significant. Now finishing its operating procedures are as follows, for around the reference. 1 bowl of corn seedling nutrition technical measures directed thick planting seed at an altitude of 1800m 1.1 use the following dam, the choice of Yedan, 8053, Agricultural University 3138, Shen test 29, 22 and other compact Yuyu hybrid; at an altitude of 1800 ~ 2200m the mountains, the promotion of single 2, will be single-4, Beijing, miscellaneous 6; in the corn-based food areas, focusing on promoting the quality could be better Zhadan 201,8899 hybrid grains such as white. 1.2,1 1.2 nurturing seedlings produced by 700Ks mellow soil nutritional bowl full maturity in the dirt plus 300kg plus 10kg and 3 ~ 5kg zinc phosphate (or potassium) mixture. Requirements clod crushing, screening phosphate, Hunban uniform, quit not dilute. Will Hunban good nutrition soil, with the bowl system into a system of nutrition bowl (or nutrition lump), the tightness of the hand shape into its mission, landing is casual is appropriate. Received :2004 -05-11 and lined up in beds in the (choose water beds, easily accessible place), waiting for planting. 1.2.2 timely sowing, to improve the general quality planting fallow land, vegetable, potato or wheat intercropping in order to stabilize the soil temperature 5 ~ 10cm by 10%, suitable for the planting of corn, Dali Prefecture Mountain, Mid-Levels usually in mid to late 4; rape corn, wheat, maize cropping, the early maturity of the first half of rape or wheat seedlings, rape or transplanting after wheat harvest in a timely manner. Seeded, soaked with warm water after about 10 hours, picked up at the germination at 25 ��, when the seeds exposed white mouth, white mouth and down the broadcast in the planting hole,[link widoczny dla zalogowanych], requiring the same depth. And Jiagai Song Mao, Jiaotou the first time in water, then seal film, and make rodent control work. 1,2.3 strengthen the management of sowing about 5 to 7 days after emergence, inspected once every 3 days, such as the bed surface white, watering should be removing film, after pouring Gaiyan; seedbed when the temperature exceeds 30 ��, opened two side ventilation, when the second leaf began hardening the first day of removing film 1 / 3, the next day removing film 2 / 3, the first 3 days all opened, the first day of transplanting an afternoon of pouring water. 1.3.1 1,[link widoczny dla zalogowanych],3-directional high density foot base fertilizer applied, as a whole before the good land fallow land, vegetable, canola or wheat, before the harvest in a timely turn plow pulverizer, clear debris pile of weeds, according to 1,2 m Ditching the composite cable spacing, groove width 40 to 5,012,111, the small spacing 40cm, large spacing 80cnl,[link widoczny dla zalogowanych], depth 7 ~ 10em; cable trenching transplanting, the phosphorus and potassium fertilizer was applied to focus on transplanting trench. Corn planted in the empty line reserved for the ditch, applied manure 22.5 ~ 30L /, urea 75 ~ 150kg/hm2, calcium magnesium phosphate or superphosphate 375-450khrn2, potassium sulfate or potassium chloride 150 ~ 225kg/hm2 . Permeability, ease of fertilization and cultivation, weed and promote rhizome growth and increase production. When the vine so long to 20em, in the lines or in between the plug Bamboo hardwood bar, the two lines tied between the top frame section to form a triangle. Man pulling seedlings and shelves. (3) cultivation, weed cultivation, weed should be in early, so that Loose soil cultivation, weed can be required to achieve shallow tillage. Weeding year 2 or 3 times. Chemical herbicides for weed control can also be used. (4) pest and disease control to prevent the disease spreading, to block rotation Huancha, while 50% carbendazim with 400 to 500 times, or other broad-spectrum fungicide control. There are black cutworm pest that can be used 90% trichlorfon 1000 ~ 1500 ~ n solution,[link widoczny dla zalogowanych], 50% phoxim 800 times IRRIGATING can also be mixed with toxic soil or bait to take control. 2.4 Timely harvesting of cultivated Dioscorea generally 2 to 3 years, 1 collection digging, excavation, first clear the ground vine, weeds and brackets, and then excavation. 1 year for the species on the excavation can be best to dig under the edge of planting season, planted side. Seed of the field until the following spring planting time to dig.
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