How do I prevent corm rot in elephant foot yam in heavy soil?

Corm rot in elephant foot yam is mostly a drainage and seed-corm health problem. Suran hates waterlogging, so heavy soil plus heavy rain is the classic cause. Practical steps: plant on raised mounds or ridges so water drains away from the corm, improve the soil with plenty of organic matter to open it up, never plant in a low spot that holds water, and use only healthy, undamaged seed corm because cut surfaces and wounds let rot organisms in. Let cut seed pieces heal and dry before planting and many farmers treat cut surfaces with cow dung-ash paste or a recommended treatment. Remove and destroy rotting corms quickly. For any specific seed treatment or fungicide, follow label directions and check the current recommendation with your KVK.