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Impact of different croplands on nutrient index, microbial diversity and soil quality
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  • S. R. Singh,
  • Poonam Yadav,
  • Dinesh Singh,
  • Lal Bahadur,
  • S. Singh,
  • Aradhana Mishra,
  • Sanjeev Kumar,
  • Ambreesh Yadav,
  • P. Yadav
S. R. Singh
ICAR-Indian Institute of Sugarcane Research, Lucknow
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Poonam Yadav
ICAR-IISR, Lucknow
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Dinesh Singh
ICAR-IISR, Lucknow
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Lal Bahadur
National Botanical Research Institute
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S. Singh
NBRI, Lucknow
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Aradhana Mishra
CSIR-National Botanical Research Institute
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Sanjeev Kumar
ICAR-IISR, Lucknow
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Ambreesh Yadav
UPCAR, Lucknow
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P. Yadav
Remote Sensing Application Centre
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In the last two decades, the productivity of Rice-wheat cropping system in the upper Indo-Gangetic Plains of India has stagnated and now in a declining trend. As a result, farmers shifted to a different cropland grown systems so as to achieve a higher net productivity. This study aim to assess as how nutrient index (NI), microbial diversity and soil quality changed after replacement of rice-wheat by vegetable (VGS), pulse (PGS), potato (PoGS) and mustard (MGS) grown system. An analysis of 307 soil samples from various croplands revealed a soil pH range of 6.58-8.87 with 75.3% soils under low category of mineralized N (MN) resulting in its low NI (<1.67). The highest NI, enzymatic activity and microbial biodiversity was recorded under PGS, which restored 34.2, 24.1 and 10.2% greater SOC, carbon substrate oxidation rate and MN than PoGS, respectively. The diversity indices were the highest in PGS followed by VGS, but soil quality index was 0.783 (VGS), 0.771(PGS), 0.695 (WGS), 0.663 MGS), and 0.647 (PoGS). The silt content, SOC, Zn, total N, acid phosphatase activity (ACP), available P and total culturable fungi were the key soil indicators across the cropland grown systems. Among the cropland systems, silt content, SOC, total N and ACP were the main soil indicators for PGS, whereas, silt content, SOC, P and Zn were the ideal indicators for VGS that affected microbial dynamics and soil quality. Overall, it is concluded that PGS maintained higher nutrient index, microbial and functional diversity, but VGS improve greater soil quality.

Peer review status:ACCEPTED

15 Jun 2020Submitted to Land Degradation & Development
15 Jun 2020Submission Checks Completed
15 Jun 2020Assigned to Editor
26 Jun 2020Reviewer(s) Assigned
07 Jul 2020Review(s) Completed, Editorial Evaluation Pending
20 Jul 2020Editorial Decision: Revise Major
06 Aug 20201st Revision Received
06 Aug 2020Assigned to Editor
06 Aug 2020Submission Checks Completed
18 Aug 2020Review(s) Completed, Editorial Evaluation Pending
29 Aug 2020Editorial Decision: Revise Major
19 Sep 20202nd Revision Received
21 Sep 2020Assigned to Editor
21 Sep 2020Submission Checks Completed
23 Sep 2020Review(s) Completed, Editorial Evaluation Pending
27 Sep 2020Editorial Decision: Revise Minor
14 Oct 20203rd Revision Received
14 Oct 2020Submission Checks Completed
14 Oct 2020Assigned to Editor
14 Oct 2020Review(s) Completed, Editorial Evaluation Pending
17 Oct 2020Editorial Decision: Revise Major
13 Nov 20204th Revision Received
16 Nov 2020Assigned to Editor
16 Nov 2020Submission Checks Completed
30 Nov 2020Review(s) Completed, Editorial Evaluation Pending
05 Dec 2020Editorial Decision: Revise Minor
09 Dec 20205th Revision Received
09 Dec 2020Submission Checks Completed
09 Dec 2020Assigned to Editor
11 Dec 2020Review(s) Completed, Editorial Evaluation Pending
13 Dec 2020Editorial Decision: Accept