A corn cultivation method for efficiently preventing diseases and increasing yield
A technology of corn cultivation and corn, which is applied in the field of agricultural cultivation, can solve problems such as reduction, and achieve the effects of reducing the incidence rate, effectively preventing and controlling corn pests and diseases, and increasing the yield of soybeans
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Embodiment 1
[0023] It was carried out at the Renshou test site in Sichuan, which is an area with a high incidence of corn borer disease. The incidence of corn borer disease in the previous year was as high as 35.3%, and the yield per mu of corn was reduced by more than 18%. Choose Chuandan 418 with medium fertilizer tolerance for corn seeds, and Nandou 12 with better shade tolerance for soybean seeds, and carry out corn disease prevention cultivation according to the following method (recorded as this plan):
[0024] (1) Ridging for site preparation: set up double ridges on the plot, the big ridge is 6cm high and 80cm wide; the small ridge is 10cm high and 30cm wide; The angle between the side and the bottom of the ditch is 30°, and the film is covered by half-film flat laying, leaving 20cm in the middle of the large ridge without film;
[0025] (2) Soak the corn seeds in warm water at 20°C for 2 hours before sowing, and then soak them in warm water at 40°C for 10 minutes for pretreatment...
Embodiment 2
[0035] It was carried out at the Fujin test site in Heilongjiang, which is a high-incidence area of corn brown spot disease. The incidence rate of corn brown spot disease in the previous year was 25.6%, and the yield of corn per mu was reduced by more than 12%. Demeiya No. 3 was selected for corn seeds, Henong 61 was selected for soybean seeds, and the corn disease prevention cultivation was carried out according to the following method (recorded as this plan):
[0036] (1) Ridging for site preparation: set up double ridges on the plot, the big ridge is 8cm high and 80cm wide; the small ridge is 12cm high and 30cm wide; The angle between the side and the bottom of the ditch is 30°, and the film is covered by half-film flat laying, leaving 30cm in the middle of the large ridge without film;
[0037] (2) Soak the corn seeds in warm water at 20°C for 2 hours before sowing, and then soak them in warm water at 40°C for 10 minutes for pretreatment. Wide and narrow rows are sowed ...
Embodiment 3
[0046] The experiment was carried out in Fuyang, Anhui, which is a high-incidence area of corn sheath blight. In the previous year, the incidence of corn sheath blight was 18.2%, and the yield per mu of corn was reduced by more than 18%. Choose Longping 267 for corn, choose Wandou 28 for soybean, and carry out corn disease prevention cultivation according to the following method (recorded as this plan):
[0047] (1) Ridging for site preparation: Double ridges are erected on the plot. The large ridge is 6-8cm high and 80cm wide; the small ridge is 10-12cm high and 30cm wide; For the sowing ditch, the angle between the side of the ridge and the bottom of the ditch is 30°, and the film is covered by half-film flat laying, leaving 20 to 30 cm in the middle of the big ridge without film;
[0048] (2) Soak the corn seeds in warm water at 20°C for 2 hours before sowing, and then soak them in warm water at 40°C for 10 minutes for pretreatment. The corn seeds after the above pretreat...
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