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Conservation Tillage, Residue Management, and Crop Rotation Effects on Soil Major and Micro-nutrients in Semi-arid Vertisols of India

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Title Conservation Tillage, Residue Management, and Crop Rotation Effects on Soil Major and Micro-nutrients in Semi-arid Vertisols of India
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Creator Somasundaram Jayaraman
N. K. Sinha
M. Mohanty
K. M. Hati
R. S. Chaudhary1
A. K. Shukla
A. O. Shirale
S. Neenu
A. K. Naorem
I. Rashmi
A. K. Biswas
A. K. Patra
Ch. Srinivasa Rao
Ram C. Dalal
 
Subject Conservation tillage, Crop residue retention, Cropping system, Major and micro-nutrient availability , Soil organic C, Sustainable soil management practices
 
Description Not Available
Due to declining soil quality and increasing climate change, resource conservation technologies are often advocated for the food production system. Conservation agriculture (CA) is one of the technologies that increase soil nutrient status without jeopardizing the soil health and quality. The effects of conservation tillage, residue retention, and cropping systems on soil physical, chemical, and biological properties within the irrigated agricultural system are well established. However, scanty information is available on the combined impact of tillage, residue, and cropping system available on the major and micronutrient in the rainfed farming systems. Thus, a field experiment was conducted to measure the short-term effect of CA practices on soil properties and major (N, P, and K) and micro (Fe, Mn, Zn, and Cu)-nutrients in a Vertisol of Central India. The field experiment was laid out in a split-plot design consisting of two tillage systems (TS), conventional tillage (CT) and reduced tillage (RT), as the main plots and six cropping systems (CS) as subplots. A total of 144 soil samples were collected after four crop cycles to assess soil properties and nutrient (major and micro-nutrient) status. Results demonstrated that in the surface soil layer (0–5 cm), the major and micro-nutrient concentrations were higher than subsurface layers, regardless of TS and CS. In the surface soils, soil organic carbon (SOC) varied from 0.58 to 0.60% under CT and from 0.60 to 0.62% under RT. Tillage and cropping systems had a significant effect (p < 0.05) on major available nutrients (N, P, and K) at 0–5-cm depth. The DTPA extractable Fe, Mn, Cu, and Zn concentrations exhibited decreasing trends with increasing depth. At 0–5-cm depth, the DTPA-Fe, Mn, Cu, and Zn under CT varied from 7.56 to 9.58 mg kg−1 , 15.04 to 15.91 mg kg−1 , 1.37 to 1.80 mg kg−1 , and 0.57 to 0.62 mg kg−1 and under RT varied from 8.25 to 11.16 mg kg−1 , 15.65 to 17.73 mg kg−1 , 1.54 to 1.80 mg kg−1 , and 0.59 to 0.67 mg kg−1 , respectively. We concluded that RT practices, coupled with crop residue retention, positively affected major and micro-nutrient distribution and availability in this soil. Results highlight the importance of nutrient dynamics under different tillage and cropping systems and thus improve the nutrient recommendation in the semi-arid eco-region of Central India.
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Date 2024-02-15T16:57:54Z
2024-02-15T16:57:54Z
2021-03-01
 
Type Research Paper
 
Identifier Jayaraman, S., Sinha, N.K., Mohanty, M. et al. Conservation Tillage, Residue Management, and Crop Rotation Effects on Soil Major and Micro-nutrients in Semi-arid Vertisols of India. J Soil Sci Plant Nutr 21, 523–535 (2021). https://doi.org/10.1007/s42729-020-00380-1
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http://krishi.icar.gov.in/jspui/handle/123456789/81376
 
Language English
 
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