Sugarcane is suitable for planting in winter. The autumn rainwater accumulated in the soil has not been evaporated a lot. It is beneficial to the sugarcane sprouting on the hillside without irrigation conditions. The winter ground temperature is higher than the temperature, the winter sugarcane root system is well developed, and the seedling quality is high. The yield is high, the maturity is early, and the accumulated sugar is much.
First, cultivation techniques
1. Land selection and land preparation
Winter planting sugarcane is planted in low temperature and dry season. In order to keep warm and moisturize, the selection conditions of planting land are higher than that of spring planting and autumn planting. The land with irrigation conditions and no water accumulation, sunny sun, flat terrain and strong water retention capacity is selected. The soil is required to be finely divided, the surface of the field is flat, the depth of the planting is about 30cm, and the row spacing is 90-100cm. Most of the sugarcane farmers are planted in paddy fields and terraces, and the water retention conditions are better.
2, timely planting
The next planting time of winter planting sugarcane is closely related to the safe wintering of seedlings, the germination and the seedling rate. If the planting period is too early, the sugarcane buds will be exposed to frost and die after the soil is sprouted. The ungerminated buds will also rot due to long-term low temperature and drought. The planting period is too late, and it is susceptible to freezing and rot once it is exposed to frost. Sugar cane is generally grown from early November to late December or mid-January.
3, cut down the species
Because winter planting sugar cane seeds are in the low temperature and dry season, the quality of seedlings is high. When cutting seeds, we should choose robust and disease-free sugarcane varieties. Sugarcane seeds usually have 2-3 buds. Due to the long germination time, the general disease is more serious than the spring and autumn sugarcane, and the seedlings after cutting are preferably disinfected with a lime meal. When the next species is opened, the deep trench reaches the soil layer, the depth is 30-35cm, and the bottom of the trench should be leveled to ensure the next quality. Winter planting sugarcane should increase the seedling volume appropriately, planting 6500-7500 double bud seedlings per acre to ensure the basic seedlings, and the soil after the next seeding should not be too thick.
Second, field management
Because the planting period of winter planting cane is advanced and the jointing is advanced, the measures for field management should be centered on the word “early†and must be topdressed in mid-May. Fertilize in time before the tillering period, promote early tillering and more tillering, and increase tillering rate. Combine cultivating and weeding to cultivate soil and apply stem fertilizer in large soil. If the growth rate of sugar cane falls in August and there is a lack of fertilizer, it should be followed by strong tail fertilizer. The seedlings of winter planting sugarcane are the wintering place of aphids and aphids. It is necessary to prevent and cure early, eliminate the source of wintering insects and prevent the spread of the insects.
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