A process to improve the nutrient contents of the top soil and high nutritional value of the crop by mixing sub soil in the water channel during flowering stage of the crop

摘要

The invention relates to a process of improving the nutrients of top soil by digging a trench having a certain width and length, in the same land, receiving therefrom a volume of sub soil, mixing that sub soil in a water supply channel and laying the wet sub soil on the complete land which penetrates into the depleted pores through water and forms as a layer of new wet top soil.