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ThesisItem Open Access EFFECT OF CONJOINT USE OF FYM AND LIME ON THE YIELD OF MAIZE (Zea mays L.) AND SOIL HEALTH IN AN ACID ALFISOL(CSKHPKV Palampur, 2020-10-29) BHARTI, ANUPAM; Sharma, R. P.The present investigation was carried out to study the effect of conjoint use of FYM, lime and fertilizers on the yield of maize (Zea mays L.) and soil health in an acid Alfisol at the Research farm of the Department of Soil Science, CSK HPKV Palampur during kharif 2019. The experiment was laid out in randomized block design with eleven treatments which were replicated thrice. The soil of the experimental site was silt loam and classified taxonomically as Typic Hapludalf. The grain and stover yield of maize were recorded. After the harvest of maize, soil samples were taken from a depth of 0 - 0.15 m and analysed for various physical (bulk density and water holding capacity), chemical (pH, OC, CEC, exchange acidity, exchangeable Al, available N, P, K, Ca, Mg, S, Fe, Mn, Zn and Cu) and biological parameters (SMBC and SMBN) of soil using standard methods of analysis. Grain and stover samples were also collected and analyzed for nutrient contents to calculate the nutrient uptake by maize. Conjoint use of FYM and lime along with recommended dose of fertilizers influenced the yield and nutrient uptake by maize significantly over control and 100% NPK alone. Integrated application of 100% NPK + 10 t FYM/ha + lime incorporation @ 100% LR (Lime Requirement) recorded highest grain (36.48 q/ha) and stover (58.06 q/ha) yield which was at par with 100% NPK + 10 t FYM/ha + lime incorporation @ 1/10th LR in furrow with grain and stover yield of 34.90 and 54.72 q/ha, respectively, indicating thereby that dose of lime can be reduced to 1/10th of lime requirement by furrow application, without significant reduction in yield. Combined application of FYM, lime and fertilizers increased nutrient uptake significantly over 100% NPK. Combined application of FYM, lime and recommended dose of fertilizers improved soil health in terms of physical (bulk density and water holding capacity), chemical (pH, organic carbon, cation exchange capacity and available nutrients) and biological properties (soil microbial biomass carbon and nitrogen). Application of lime with recommended dose of NPK as well as integrated use of FYM, lime and NPK fertilizers reduced exchangeable Al and exchange acidity significantly over control
