Soil quality and crop productivity under 34 years old long-term rainfed rice based cropping system in an Inceptisol of sub-tropical India

Bibliographic Details
Title: Soil quality and crop productivity under 34 years old long-term rainfed rice based cropping system in an Inceptisol of sub-tropical India
Authors: Sunanda Biswas, Priya Singh, Riaj Rahaman, Kalyani V. Patil, Nirmal De
Source: Frontiers in Soil Science, Vol 3 (2023)
Publisher Information: Frontiers Media S.A., 2023.
Publication Year: 2023
Collection: LCC:Chemistry
LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground construction
Subject Terms: equivalent rice yield, PCA, rainfed, rice-lentil, soil quality, Chemistry, QD1-999, Engineering geology. Rock mechanics. Soil mechanics. Underground construction, TA703-712
More Details: IntroductionSoil quality deterioration with the introduction of modern agriculture is a major threat to agricultural sustainability and food security and the problem is more aggravated specially under rainfed agriculture. Asessment of soil quality is a tortuous task as it can not be measured directly. The objective of the present investigation was to evaluate the effect of long-term fertilization and manuring on soil quality and identify the most sensitive indicators of assessing soil quality under rainfed rice based system.MethodsSoil samples were collected from selected six treatments viz. control, 100%NPK, 50%NPK, 50%FYM, 100%FYM and 50%NPK+FYM of 34 years old long-term fertilizer experiment with rainfed rice-lentil cropping system situated at BHU Varanasi, India.Results and discussionResult revealed that continuous organic manure application along with inorganic fertilizer increased soil organic carbon by 54.1% over control treatment.Principal component analysis (PCA) was done to screen out key indicators and mean weight diameter, available Fe, available N, potentially mineralizable N, available Zn, FDA hydrolase activity and Clay were selected as key indicators of soil quality. The highest soil quality index (SQI) of 0.95 was found in 50% NPK+FYM treatment. Regression analysis showed better agreement of equivalent rice yield and SQI (0.87). Therefore, the balanced fertilization with organic and inorganic fertilizers is important for sustainability of the rainfed rice-lentil cropping system and this practice may be recommended for rainfed rice based system of Indian Inceptisol.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2673-8619
Relation: https://www.frontiersin.org/articles/10.3389/fsoil.2023.1155712/full; https://doaj.org/toc/2673-8619
DOI: 10.3389/fsoil.2023.1155712
Access URL: https://doaj.org/article/ce71ec8df0b147118e858b6d12d2b8f3
Accession Number: edsdoj.71ec8df0b147118e858b6d12d2b8f3
Database: Directory of Open Access Journals
More Details
ISSN:26738619
DOI:10.3389/fsoil.2023.1155712
Published in:Frontiers in Soil Science
Language:English