Effect of Organic Inputs on Strength and Stability of Soil Aggregates Associated Organic Carbon Concentration under Rice-Wheat Rotation in Indo-Gangetic Plain Zone of India
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Title |
Effect of Organic Inputs on Strength and Stability of Soil Aggregates Associated Organic Carbon Concentration under Rice-Wheat Rotation in Indo-Gangetic Plain Zone of India
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Creator |
R.K. Naresh, A.S. Panwar, S.S. Dhaliwal, R.K. Gupta, Arvind Kumar, R.S. Rathore, Ashok Kumar, Dipender Kumar, Mohan Lal, Sunil Kumar, Saurabh Tyagi, Vineet Kumar, S.P. Singh, Vikrant Singh and Nihal Chandra Mahajan
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Subject |
Tensile strength, Aggregates, Soil organic C, Carbon dynamics, Mean weight diameter
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Description |
Not Available
The study aims to elucidate the impact of organic inputs on strength and structural stability of aggregates in a sandy loam soil of Indo-Gangetic Plain Zone of India. Tensile strength, friability and water stability of aggregates, and the carbon contents in bulk soil and in large macro (>2 mm), small macro (0.25-2 mm), micro (0.053-0.25 mm) and silt+ clay size (0.25 mm) constituted 58–92% of water stable aggregates and varied significantly among treatments and soil depths. Organic material incorporation improved soil aggregation and structural stability and resulted in higher C content in macro-aggregates. Higher macro-aggregates in the crop residue- and farmyard manure-treated soils resulted in a higher aggregate mean weight diameter, which also had higher soil organic C contents. The bulk soil organic C had a strong relation with the mean weight diameter of aggregates, but the soil organic c content in all aggregate fractions was not necessarily effective for aggregate stability. The soil organic C content in large macro-aggregates (2-8mm) had a significant positive effect on aggregate stability, although a reverse effect was observed for aggregates Not Available |
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Date |
2019-12-04T08:47:44Z
2019-12-04T08:47:44Z 2017-01-01 |
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Type |
Research Paper
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Identifier |
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Not Available http://krishi.icar.gov.in/jspui/handle/123456789/27216 |
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Language |
English
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Relation |
Not Available;
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Publisher |
Excellent Publiser
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