I cooperative cultivation of fresh corn land between 45 and 46 degrees north latitude zhaodong heilongjiang province, is located in the cold black soil core, in the songnen plain hinterland, is one of only three big land in the world, black soil layer from 80 to 100 centimeters, fertile land alkaline, high organic matter content of 3% to 5%, the crops are planted each year. Land a third time in the planting of crops, the other two thirds of land fallow, restore soil fertility, particularity due to geography and climate, crop growth time is long, large temperature difference between day and night, light enough, good water quality, air fresh, crop nutrient accumulation of fat effectively, is the world recognized gold planting corn belt, fresh corn has a sweet, sweet, delicious good taste. The fresh corn planted in this land is rich in nutrition, high in protein, amino acids, dietary fiber, sugar and so on. It has a special aroma and soft mouth. The fresh corn produced is the treasure of coarse grain, especially the black glutinous corn, which contains anthocyanins and melanin, which is good for human health.