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Nutrient Availability and Biochemical Properties in Soil as Influenced by Organic Farming of Papaya under Coorg Region of Karnataka

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Title Nutrient Availability and Biochemical Properties in Soil as Influenced by Organic Farming of Papaya under Coorg Region of Karnataka
Not Available
 
Creator H. Ravishankar
G. Karunakaran
S. Hazarika
 
Subject soil biological properties, soil enzyme activities, nutrient availability, soil health
 
Description Not Available
In the recent years, papaya cultivation in India has become more popular
because of its high yield and nutritive qualities. There also have emerged niche
markets for organically produced fruits especially in the urban areas. Keeping in
view the emerging trend, a study was conducted at Central Horticultural
Experiment Station (IIHR) during 2004-07 in order to organize modules for
sustainable production of organic papaya var. ‘Coorg Honey Dew’ under Coorg
region of Karnataka, India. In this study, the effects of seven different treatments
viz., recommended dose of NPK fertilizers (250:250:500 g) NPK plant-1 year-1 as
check (T1); FYM 20 kg/plant (T2), urban compost 13.5 kg/plant (T3), sun hemp 25
kg/plant (T4), sun hemp 40 kg/plant + rock phosphate 300 g/plant (T5), neem cake 4
kg + wood ash 2.5 kg/plant (T6) and rural compost 35 kg/plant (T7) applied to
‘Coorg Honey Dew’ papaya crop were studied on nutrient availability, microbial
population and enzyme activities in sandy loam soil in a field experiment laid out in
randomized block design with three replications. Soil analysis after three years of
study indicated no significant effect of treatments on the status of available P and K
and the pH of the soil. Organic matter content in soil was significantly influenced by
different treatments with the highest values recorded under T2 and T3 treatments.
Soils under different organic modules had significantly higher microbial population
(bacteria, fungi and actinomycetes) and activities of urease, phosphatase,
dehydrogenase and cellulases as compared to that under recommended dose of
fertilizers (T1). Significant positive association between organic matter status,
microbial populations and enzyme activities in soil was recorded. Application of
FYM 20 kg/plant (T2) was the best organic module with regard to higher microbial
populations and enzyme activities in soil.
Not Available
 
Date 2019-10-25T05:23:19Z
2019-10-25T05:23:19Z
2010-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/23887
 
Language English
 
Relation Not Available;
 
Publisher Acta Hort.