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Research Article Open access CC BY 4.0

Effect of Lime Application for Neutralizing Fertilizer Acidity on Growth and Yield of Maize in Alfisols

Kavya, D, Prakash, S. S, Yogesh, G. S, Fathima, P. S, Mahesh, H.B

International Journal of Plant & Soil Science · pp. 911–921 · Published 12 Apr 2024

10.9734/ijpss/2024/v36i54588

Abstract

A field experiment was conducted at College of Agriculture, V. C. Farm, Mandya during Kharif 2021-22 to evaluate the effect of lime application for neutralizing fertilizer acidity on growth and yield of maize in Alfisols. There were eight treatments that include 500 kg lime (T3) and 250 kg granular dolomite (T4) + FYM and recommended dose of fertilizers (RDF), 100% RDF and FYM + 100 and 50% fertilizer acidity neutralization with lime (T5 and T6) and granular dolomite (T7 and T8), absolute control (T1) and FYM + 100 % RDF (T2). The experiment was laid out in Randomized Complete Block Design with three replications. The results revealed that application of lime @ equivalent to 100% neutralization of fertilizer acidity with 100% RDF and FYM (T5) recorded significantly higher plant height (221.56 cm), number of leaves (13.01 plant-1), leaf area (6389 cm2 plant-1) and total dry matter accumulation plant-1 (168.74 g plant-1) which was on par with T8, T6, T7 and T4. Similarly, significantly higher yield parameters like cob length (21.98 cm), cob girth (20.01 cm), number of rows cob-1 (16.86), number of kernels row-1 (36.98) and test weight (35.98 g) were recorded in T5 when compared to T2, T3 and T1. Kernel and stover yield (81.57 and 90.67 q ha-1, respectively) was observed to be significantly higher in T5 treatment which was on par with T6 which clearly indicated that 100% neutralization of fertilizer acidity with lime along with 100% recommended dose of fertilizer and FYM is necessary for obtaining higher growth and yield of maize.

Fertilizer acidity lime granular dolomite neutralization growth yield

References (10)

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Cited by 1

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