Gbollie, Sheku Nyumah Potassium and sodium extraction in cocopeat for potato (solanum tuberosum L.) minituber production under varied calcium nitrate soaking duratons and cocopeat-pumice media Sheku Nyumah Gbollie - Njoro Egerton University 2022 Subjects--Topical Terms: Soil Science- Crops LC Class. No.: S 591 .K4G36 2022