4 Promotion of Good Breeding Method is the Key to Ensure High Sugar and High Sugar Yield in Sugarcane
4.1 selection of improved species
The county's sugarcane varieties such as Xintai Sugar No.16, No.20, No.22, No.25 and Yueteng 93/159, Yueteng 79/09, and No.69/42l candy were selected. Planting early, middle and late varieties with planting.
4.2 Standardized planting
Fine ground preparation. Standardized planting, planting cane ditch deep, flat, loose, sugarcane ditch spacing 90 ~ 100cm, ditch depth 35 ~ 40cm. The width of the bottom of the ditch is 20 to 25 cm, and the double buds are laid flat under the seed to ensure that the seed is planted between 90,000 and 97,500 buds/hm2. Seed soaking in 2.0% lime water, disinfect for 12 hours or soak in 0.1% 50% carbendazim wettable powder solution for 4 hours, pick up and dry, and apply 25-30kg 3% enemy granules per hectare. Prevention of underground pests, cover soil 10 ~ 12cm, timely covering with the film along the cane groove, pressed along the edge.
4.3 timely dressing fertilizer
Topdressing grasps the principle of "three attacks and one supplement." Cane seedlings grow to 3 to 4 true leaves when attacking seedlings fertilizer urea 150kg/hm2, and timely check the lack of fill seedlings. Make the group grow neatly. When it grows to 7 to 8 pieces of real leaves, it will be applied to urea fertilizer 300kg/hm2, ternary compound fertilizer 300kg/hm2, and cultivated earth 10~12cm. During the extension period, the urea 450kg/hm2, ternary compound fertilizer 600kg/hm2, and soil height 25 to 30cm were attacked to enhance water absorption, absorption and lodging resistance of sugarcane. Spraying 0.004% alkaloid lactone (Yunyi 120), 150-450m1/hm2 (600-750kg of water) once during sugarcane parturition. In the elongation period of sugarcane, sprayed with amino acid foliar fertilizer 600-800 times and potassium dihydrogen phosphate diluted 800-1000 times, sprayed on the surface of sugarcane leaf, and sprayed once in 4-6 hours. . In order to promote sugarcane growth.
4.4 Strengthen Pest Control
Prevention and control of pests and diseases adopts the principle of prevention and comprehensive prevention. In the months from April to May, 48% chlorpyrifos cream is used to control the hummer and beetle; in June-August, 20% butyl sulphur-ma (Libaodan) EC or 25% anti-Wanwei water dispersible granules are used to control locusts, etc.; 6-9 Month 50% carbendazim WP to prevent sugarcane tip rot, head blight, etc., from October to December with enemy mouse sodium salt to prevent rat damage.
4.5 timely cutting
Sugarcane harvest differs according to the early and late-maturing varieties, early harvest early harvest, late harvest late harvest, all implement fast slash low cut, cut smash earth 3 ~ 6cm. The rapid growth of the low-cut can both increase the current year's yield and promote the germination of low-bud buds in the next year, which is conducive to the growth of ratoon roots.
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