Vol. 11, Special Issue 8 (2022)

Author(s):
Shraddha Tikariha, Vinay Bachkaiya, Biplab Choudhari, Vedika Sahu, Gireesh Ku. Verma, Monika Tikariha, Priya Soni and Dr. Sanjeev Malaiya

Abstract:
An investigation to study “rice yield, growth indices and nutrient uptake of rice as influenced by fly ash and FYM incorporation in an Inceptisol” was carried out during kharif season of 2021. The results indicated that application of 75% RDF + 45t/ha fly ash + 5t/ha FYM recorded highest rice grain (53.04 q ha^-1) and straw (65.98 qha^-1) yield as compared to 100% RDF (49.55 q ha^-1 grain & 61.36 q ha^-1 straw) and control (26.66 q ha^-1 grain & 35.47 qha^-1 straw). The plant height (138.80 cm) was found highest in T2 (100% RDF (100:60:40)), which was at par with all other treatment except control, whereas no. of grains per panicle (153.95), panicle length (23.18 cm), and no. of effective tillers (8.78) found highest in 75% RDF + 45 t/ha Fly ash + 5 t/ha FYM. The test weight, soil pH, EC and micronutrients (Fe, Mn, Zn, Cu) were not affected due to application of fly ash along with FYM, while the soil organic carbon (5.57 g/kg), N (159.60 kg/ha), P (21.09 kg/ha), and K (373.35 kg/ha) were enhanced due to incorporation of fly ash with FYM. The conjoint application of FYM, fly ash and inorganic fertilizers were found to affect the total nutrient (major and micro nutrient) uptake by rice crop. Overall result concluded that use of 75% RDF + 45 t/ha Fly ash + 5t/ha FYM can save 25% of fertilizer (NPK) and increase growth and yield attributing characters of rice.