Maize dual plant positioning standardization of ultra-high yield cultivation, a substantial increase in production, enhance the ability of lodging resistance of corn, the advantages of a reasonable use of space during the growth of corn, etc., can also save labor, water, seeds, pesticides and so on.
First, sowing summer corn to choose early maturity, high seeding rate, dense plant resistance, excellent resistance, good commodity varieties.
Second, corn seeds should be coated, aired before sowing, the small grain, broken grain, disease particles removed.
3. Seed 3 to 4 seeds per hole for seeding, and select the same size of double seedlings when setting seedlings.
Fourth, planting mode. Line spacing 65 cm, strains (holes) from 50 cm, Mu Liumiao 4100 ~ 4200 strains, namely: (2050 ~ 2100 points), or size line, big line 75 cm, small line 55 cm, strain (hole) distance 40 ~ 45 cm. 5000 ~ 5100 acres left Liu, that is 2500 ~ 2550 (points).
Five, corn plants grow to 8-9 leaf control, while adding pesticides to prevent corn borer, a spray and more defense.
6. The investment in water and fertilizer management in the two-planted corn field should be timely, reasonable, in place, and prevent pests and weeds in time.
1. When sowing corn, the three-element compound fertilizer suitable for corn application is used, and the amount of mu is 10 to 15 kg. The farmyard fertilizer is applied as much as possible according to the conditions.
Author: Wang column
2. Maize flooded with dry and flooded water during the flood season, and applied 10 kg of urea during the irrigation period.
Seven, demonstration and promotion effect. In 2005, 6 villages in Siying Township planted 300 mu of summer corn in this model. The output was the highest per mu yield of 875 kg and the minimum per mu yield was 650 kg. Corn planted in this mode is no less than 150 kilograms of corn per acre under the same cultivation conditions than traditional model corn. For example: In September 2005, an investigation team consisting of technical cadres, experts, and growers from the agricultural sector conducted a test of 45 mu of summer corn at Mucun Mu Xuezhe, Siying Township. It is predicted that corn will produce more than 950 kilograms per mu and the result will be 875 kilograms. Analysis of the reasons: First, the corn has not been watered in time due to drought at the filling stage. The second is that the corn planter I reformed is not very accurate, and the rate of double planting of maize can only reach 90%. Therefore, the goal of yielding 900-1,000 kg of summer corn per mu cannot be achieved. In 2006, after my restructuring, the corn planter had a double planting rate of 99.5%, and the yield was also increased.
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