Not AvailableThe two phases of LTFE conducted at ICAR-CTCRI from 1977 with different treatments consisting of nutrients, organic manures are described. The first phase from 1977-1990 consisted of major nutrients viz., N,P, K in single, nutrient , two nutrients and three nutrient combination with and without FYM. The tuber yield, tuber quality, nutrient dynamics under these treatments for a period of 14 years were described. The II phase was from 1991-2005. The treatments were different levels of NPK, two sources of P fertilizer, different organic manure sources, secondary nutrient Mg and micrnutrient Zn in single and two nutrient combination, farmers practice. From he two phases we could generate many farmer acceptable technologies tooNot Availabl
