Vol. 11, Special Issue 4 (2022)

Author(s):
Navaneetha Gowda KN, Mantur SM, Biradar MS and Gurudatt M Hegde

Abstract:
The experiment was conducted at Hi-tech Horticultural Unit, MARS, Saidapur Farm, UAS, and Dharwad during summer, 2021 to study “Integrated nutrient management of spinach under protected condition”. The treatments comprised of recommended dose of fertilizers (100, 75 and 50% RDF), recommended dose of nitrogen (100, 75 and 50% RDN) applied through farm yard manure (FYM), vermicompost and neem cake (NC) and biofertilizers (Azotobacter and PSB). The chlorophyll content found highest initially at 45 days after transplanting with 100% RDF + FYM (38.99 SPAD value) and later at 60 days after transplanting it was found highest in 50% RDF + 50% RDN through FYM and vermicompost (2:1) + Azotobacter and PSB (37.72 SPAD value). The quality parameters like oxalate, iron and carotenoid content were found best in 50% RDF + 50% RDN through FYM, vermicompost and NC (2:2:1) + Azotobacter and PSB with values of 328.65 mg/100g, 7.23 mg/100g and 3.98 mg/100g, respectively. While, calcium (365.30 mg/100g) and magnesium content (91.44 mg/100g) was found highest with 100% RDN through organic manures + Azotobacter and PSB.