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Physico- Chemical Properties of Soil as Affected by Integrated Nutrient Management in Maize under Vertisols of Malaprabha Command in Northern Karnataka, India

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Title Physico- Chemical Properties of Soil as Affected by Integrated Nutrient Management in Maize under Vertisols of Malaprabha Command in Northern Karnataka, India
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Creator GundlurS.S, PatilP.L, RajkumaraS, AshokaP, NeelakanthJ.K, Dasar G.V
 
Subject Rhodospirillaceae, Rhodospirillales, Alphaproteobacteria, Proteobacteria, Bacteria, prokaryotes, Crotalaria, Papilionoideae, Fabaceae, Fabales, eudicots, angiosperms, Spermatophyta, plants, eukaryotes, Zea, Poaceae, Poales, commelinids, monocotyledons, Commonwealth of Nations, Developing Countries, South Asia, Asia, India
 
Description Not Available
An experiment was conducted under irrigated condition in Vertisol to study the effect of INM on soil health in maize. After six years the study revealed that soil physical properties like, bulk density (Mg/m3), maximum water holding capacity (%), percent stable aggregates (%) and mean weight diameter (mm) were improved in the treatments receiving organics in conjunction with inorganic fertilizers as compared to only inorganic fertilizer (RDF only). The soil bulk density was decreased from 1.36 Mg/m3 (recommended fertilizer dose treatment) to 1.29 Mg/m3 with the treatment 50% RDF+Maize stalk incorporation with cellulolytic culture+biofertilizer+green manure. Maximum water holding capacity of the soils increased with 50% RDF+Maize stalk incorporation with cellulolytic culture+BF+GM (71.49%) as compared to RDF only (69.08%). The per cent stable aggregates were higher in 50% RDF+Maize stalk incorporation with cellulolytic culture+Biofertilizer+Green manure (58.44%) and lowest in RDF treatment (45.90%). The mean weight diameter (MWD) of the aggregates ranged from 0.34 to 0.40 mm and highest in 50% and 75% RDF+Maize stalk incorporation with cellulolytic culture+Biofertilizer+Green manure (0.40 mm) treatment and the lowest MWD was in RDF (0.34 mm) treatment. Significantly higher grain yield (76.78 q/ha) and fodder yield (125.48 q/ha) was observed in RDF plus biofertilizer (Azospirillum+PSB @ 350 g/ha) with one row of sunhemp between two rows of maize compared with rest of the treatments. Application of recommended dose of fertilizer+one row of sunhemp between two rows of maize+Biofertilizer recorded highest available nitrogen (326 kg/ha), available phosphorus (31.8 kg/ha) and potassium (822.0 kg/ha) in soil.
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Date 2020-02-07T04:12:51Z
2020-02-07T04:12:51Z
2015
 
Type Article
 
Identifier GundlurS.S, PatilP.L, RajkumaraS, AshokaP, NeelakanthJ.K, Dasar G.V, 2015, Physico- Chemical Properties of Soil as Affected by Integrated Nutrient Management in Maize under Vertisols of Malaprabha Command in Northern Karnataka, India. Environment and Ecology Journal 33 (1A): 313-317.
ISSN : 0970-0420
http://krishi.icar.gov.in/jspui/handle/123456789/31685
 
Language English
 
Relation Not Available;
 
Publisher MKK publication, Kolkata