Oil and vegetable dual-use cultivation technology: a two-receipt!
The dual-use cultivation technique of oil and vegetable refers to the rapeseed which can harvest the same output while harvesting the conventional oil-laid. At present, the high-efficiency cultivation technology of "oil and vegetable dual-purpose" rapeseed has not been widely applied. It has been widely used in Zhejiang, Hubei and other provinces. Due to its difficulty in storage and preservation, and the inability to transport, it must be sold immediately after production. This requires that the distance from the market should not be too far, suitable for the suburbs. Regional promotion application.
For the "oil and vegetable dual-use" varieties, it is necessary to select double-decked rapeseed varieties with early growth period, strong growth during seedling stage, and strong winter-spring ability. At the same time, in order to meet the taste needs of consumers, it is required to have relatively few fibers. It has high sugar content and good taste, such as Ningyou No. 16, Ningza 15 and Zheshuang 72.
"Oil and vegetable dual-use" cultivation technology, in the appropriate period, as early as possible, early planting, early management, early growth and strong, and strive to market before the Spring Festival. The specific sowing period varies slightly depending on the variety, but it is usually planted in early September and transplanted early in early October. After transplanting, it is necessary to carry out the seedlings, make up the seedlings, and fix the seedlings in time to cultivate healthy seedlings.
In terms of planting density, it should be rationally planted according to specific varieties, soil fertility and fertilization capacity. In general, the transplanting density is 10%-20% higher than that of normal cultivation, 8,000 per mu, and the relatively fertile land, 1000 plants per mu to increase the yield of rapeseed meal and improve economic benefits.
In the process of rape growth, it is necessary to topdress 30-50 kg, borax 0.2-0.5 kg. After transplanting, 4-5 kg ​​of urea is applied per mu, and the soil is weeded by cultivating loose soil. Due to the increase in the number of branches after the removal of the main mites, the nutrients required are more than the unpicked rapeseed, and the demand for nutrients is relatively large. Therefore, it is necessary to re-apply the fertilizer, and apply 3,000 kg of fertilizer in the mu before and after the winter sol. Potassium fertilizer is 10 kg each. During the rapeseed raking period, 5-10 kg of urea is applied per acre to promote branching.
In addition, moderate picking should be carried out in a timely manner. When the main stem is 20-30 cm, the picking is about 20 cm, and the base is kept at 10 cm to facilitate branching. It should be noted that early picking of early picking should not affect the yield of rapeseed and rapeseed. In the specific time schedule, the picks are generally in February of the following year.
The dual-use cultivation technology of oil and vegetable will be a very promising cultivation technique, and interested farmers friends can give it a try!
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