Vol. 6, Issue 11 (2017)

Author(s):
Pratap Toppo

Abstract:
A field experiment was conducted to evaluate the impact of different nutrient management practices on turmeric (Curcuma longa L.) yield under a Karanja (Millettia pinnata) based agroforestry system. The study employed a randomized block design with eight treatments involving varied combinations of inorganic fertilizers (NPK @ 120:60:60 kg ha⁻¹) and farmyard manure (FYM), replicated thrice. Results demonstrated that integrated nutrient management significantly influenced rhizome yield. The highest fresh (100.12 q ha⁻¹) and dry yields (4.55 q ha⁻¹) were obtained with the application of 50% recommended dose of fertilizers combined with 50% FYM, followed closely by 25% RDF + 75% FYM. In contrast, the lowest yields were recorded in treatments with 100% FYM or no nutrient input. Sole application of inorganic fertilizers, while effective, was outperformed by integrated treatments, emphasizing the synergistic benefits of combining organic and inorganic inputs. The study concludes that balanced nutrient supplementation through integrated nutrient management enhances turmeric yield and supports sustainable cultivation under shaded agroforestry conditions.