Articles | Volume 6, issue 2
SOIL, 6, 325–336, 2020
https://doi.org/10.5194/soil-6-325-2020
SOIL, 6, 325–336, 2020
https://doi.org/10.5194/soil-6-325-2020

Original research article 23 Jul 2020

Original research article | 23 Jul 2020

Soil fertility along toposequences of the East India Plateau and implications for productivity, fertiliser use, and sustainability

Peter S. Cornish et al.

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ED: Revision (13 May 2020) by John Quinton
AR by Anna Wenzel on behalf of the Authors (15 Jun 2020)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (18 Jun 2020) by John Quinton
AR by Peter Cornish on behalf of the Authors (20 Jun 2020)  Author's response    Manuscript
ED: Publish as is (23 Jun 2020) by John Quinton
ED: Publish as is (23 Jun 2020) by Jorge Mataix-Solera(Executive Editor)
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Short summary
We evaluated soil fertility in seven watersheds on the East India Plateau, finding that soils are acid and infertile, with low chemical fertiliser use, and organic nutrient recycling is insufficient to maintain soil fertility. This leads to inefficient rainfall use and low yields. Fertiliser rates need to increase greatly, notably in P and K. This will challenge risk-averse subsistence farmers. Field-specific fertiliser regimes are needed despite consistent fertility trends along toposequences.