EFFECT OF ORGANIC NUTRIENT SOURCES ON GROWTH AND PRODUCTION OF POTATO AND TURMERIC
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Date
2019-10
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UHF,NAUNI
Abstract
ABSTRACT
The present investigation entitled “Effect of organic nutrient sources on growth and
production of potato and turmeric” was carried out at the Experimental Farm of Department of Soil
Science and Water Management, Dr Y S Parmar University of Horticulture and Forestry, Nauni,
Solan, (HP) during 2016-17 and 2017-18, with the objective to develop an organic supply system for
higher productivity of potato and turmeric on sustainable basis. The experiment was laid out in a
randomized block design with four replications comprising eight treatments viz. T1 to T7 (i.e.
application of graded doses of organics ranging from 100% RD N to 40% RD N, through VC & PM
on 50:50 N-equivalence basis) and control where only FYM was added (T8). Organic nutrient sources
significantly influenced growth, yield and quality of the crops; nutrient contents insoil and plants, and
the microbial properties of the soil after crop harvest. Treatment T4 in potato i.e. 70% RD N recorded
74.6 per cent increase in yield over control along with highest B.C ratio (2.03). Similarly in turmeric
treatment T2 i.e. 90% RD N recorded 30.5 per cent increase in yield over control along with highest
B.C ratio 4.92. The effect of organic nutrient sources on the soil properties was pronounced and the
application of 100% RD N in both the crops, exhibited the maximum values for the available nutrient
contents as well as the biological properties (microbial biomass carbon, enzymatic activity and
microbial count). From the present investigation, it can be concluded that application of 70% RD N
through VC & PM on 50:50 N-equivalence basis and 90% RD N through VC & PM on 50:50 Nequivalence
basis in potato and turmeric, respectively, can be suggested as a cost effective nutrient
module for getting higher yield and quality, besides enhanced soil quality. Use of organic sources
through vermicompost and poultry manure on 50:50 N-equivalence basis not only produced highest
and sustainable crop yields but also enhanced fertility status of soil, which ultimately reflects a
healthy soil.
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