How to grow black corn?

How to grow black corn? Please guide that black corn is not only nutritious, but also contains 11.95% sugar in corn stalk, which is 3 times higher than ordinary corn stalk. It is a good feed for dairy cows and dairy goats. Black corn is a farm variety with short plants, narrow leaves, good fruiting and resistance to close planting. It can increase the density by reducing the plant and row spacing. Sowing in stages to prolong the supply time of the market. Black corn in suitable area is suitable for planting in most corn planting areas of our country, and it has been widely popularized in our province. Black corn processing enterprises are few, there is no deep processing capacity, there are difficulties in batch production, mainly fresh ears listed zero sales. It is understood that there are also regional differences in our province, and the market in some areas is not very good. Planting around big cities has a relatively broad market prospect. The main variety 1. Black pearl sweet corn. Is the current promotion of the main varieties, its fresh purple, neatly arranged, fresh ear cooked skin thin, no residue, sweet and fragrant, soft and delicious. The variety has good stress resistance, wide adaptability and high yield, and the dry seed yield is up to 450 kg / mu. The plant height is 2.4 meters, the ear length is 20 cm, and the double panicle rate is 95%. The harvest time of fresh ear is 80ml 85 days, and the mature period of grain is 105 days. The suitable density is 3500 plants per mu. This variety is tolerant to fertilizer at seedling stage, so it is necessary to apply sufficient base fertilizer and more phosphorus and potassium fertilizer before sowing. Attention should be paid to root and soil to prevent lodging at jointing stage and flowering stage. two。 Black (purple) waxy corn hybrid. There are Heinuo No. 1, Heinuo No. 2 and Heinuo No. 3. The plant height of Heinuo No. 2 is 1.6 meters, the ear length is 12 cm, the ear is conical, the grain is small, the plant shape is compact, and the grain is black and wrinkled after maturing and drying. Good taste, sticky fragrance without residue, is a mid-mature and early-maturing hybrid. The planting method of black corn can be sowed in spring or summer, and the planting method is basically the same as that of ordinary corn, and the cultivation method is simple. The specific method is to sow the first phase in early April, with a row spacing of 1 meter and a plant spacing of 0.17 meters, and cover it with plastic film. The second sowing was conducted in the first ten days of May, and the row was 0.33 meters away from the first sowing row. The third sowing was carried out in the first ten days of June, no later than June 15, and the row spacing was 0.53 meters from the second sowing row. Field management is the same as ordinary corn. In this way, the duration from the first ear listing to the third listing can be up to 3 months. More than 4000 fresh and tender sticks can be harvested with 2.5 kilograms of seeds per mu. Harvest period and storage tolerance ordinary corn and sweet corn ears stored for half a day or one night will lose water and wrinkle, taste worse, can only be harvested and sold on the same day. Black corn has much better harvest period and storage tolerance than ordinary corn and sweet corn, and its taste remains unchanged after 2 days of harvest. Click to get more corn planting techniques click to get more food crop planting techniques