Optimum Sowing date of Waxy Corn-Radish Cropping System in the North Central Region of Korean Peninsula

The first and most important advantage of cropping system is to increase output potential per area with involving two or more crops cultivation in the same field during one or two seasons. Farmers determine various factors such as crops, varieties, and cultural methods to earn benefic gains under cropping system. Various types of crops can be cultivated in mixed cropping practice, such as food crops, vegetables, silage crops. This helps farmers become self-sufficient in food production while also providing them the option to sell additional products for making money. This experiment was conducted to find out optimum sowing date for economic crops relating cropping system in the central northern area of Korea.