Using sunlight and ultraviolet rays to kill bacteria on the surface of seeds can improve the permeability of seed coat, promote the formation of osmotic nutrients in seeds, promote the activity of enzymes, and discharge carbon dioxide and various wastes, thus enhancing the vitality of seeds, breaking dormancy, improving the germination potential of seeds, and sprouting 1-2 days in advance.
Choosing fertilizer is also very important. You should choose the fertilizer produced by big factories, that is, the fertilizer for the eyes granulated by high towers. This kind of fertilizer is of good quality. The point is that it is not fraudulent. If it is fraud, its cost is even higher than that of no fraud. In recent years, our local disposable nitrogen content is 26%, phosphorus content is 12%, potassium content is 15%, and the total content is 53%. In a word, potassium fertilizer is more than phosphorus fertilizer, so as to avoid defatting in the later stage of corn growth and development, which will lead to yield reduction.
In rural areas, a few acres of land will not bring much economic benefits. If a large amount of land can be transferred, the mode of combining planting and raising can be developed. 1. Multi-flower Chinese herbal medicine planting+bee breeding II. Rapeseed planting+cauliflower festival sightseeing+bee breeding 3. Fruit forest+cultivation under forest.
According to the current market price, the price of corn ranges from 0.8 yuan to 1.2 yuan, with a high yield of 1200- 1600 Jin per mu. The economic value of planting corn on contracted land is not high!
According to the current market price, it can still be profitable. The previous swine fever led to various price increases. If it is in the plain area, it may be planted, and relatively speaking, it can be operated on a large scale by machines. But if the land in the south is rugged and the land is so hard, this will not be considered.