Grassroots Journal of Natural Resources

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VOLUME 7, ISSUE 1 (APRIL 2024) | Grassroots Journal of Natural Resources

Coordinated and published by The Grassroots Institute, the Grassroots Journal of Natural Resources (GJNR) is an international journal dedicated to the latest advancements in natural resources throughout the world. The goal of this journal is to provide a platform for scientists, social scientists, policy analysts, managers and practitioners (on all academic and professional levels) all over the world to promote, discuss and share various new issues and developments in different arenas of natural resources.

VOLUME 7, ISSUE 1 (APRIL 2024)

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M – 00376Research Article

Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants

Pritisha Patgiri*1, Sanjay-Swami2, Ventina Yumnam3

1School of Natural Resource Management, College of Post Graduate Studies in Agricultural Sciences, Central Agricultural University, Umiam (Barapani) -793 103, Meghalaya, India.

E-mail: pritishapatgiri@gmail.com | ORCID: https://orcid.org/0009-0005-7350-0756

2School of Natural Resource Management, College of Post Graduate Studies in Agricultural Sciences, Central Agricultural University, Umiam (Barapani) -793 103, Meghalaya, India.

E-mail: sanjayswamionline@gmail.com | ORCID: https://orcid.org/0000-0001-8961-4671

3School of Natural Resource Management, College of Post Graduate Studies in Agricultural Sciences, Central Agricultural University, Umiam (Barapani) -793 103, Meghalaya, India.

E-mail: ventinayumnam19961@gmail.com | ORCID: https://orcid.org/0009-0005-4475-6517

*Corresponding author

Grassroots Journal of Natural Resources, 7(1): 66-80. Doi: https://doi.org/10.33002/nr2581.6853.070104

Received: 06 June 2022

Reviewed: 22 July 2022

Provisionally Accepted: 20 December 2024

Revised: 12 March 2024

Finally Accepted: 19 March 2024

Published: 09 April 2024


                                    

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ABSTRACT

Phosphorus, among others, is quite a vital nutrient for the life of a plant. Because of the dominance of iron and aluminium oxides in acidic soils, they facilitate the fixation of phosphorus which results into phosphorus deficiency in large amounts. Hence, proper replenishment of the soil phosphorus (P) is very much important to cater the need of plant P requirement for better yield and development. The agricultural soils of Meghalaya (India) are by default rich in organic contents and organic P pool contributes 15-80% of the total plant P nutrition. Moreover, a different nature of nutrient pools is present in organic farming system compared to the conventional farming system. Lack of knowledge of these pools results in an imbalanced manuring plan, which hinders successful production system. The dynamic fraction of P cannot represent the correct status of phosphorus in soils under organic production systems, as the conventional soil testing protocols do not take into account the potentially available inorganic pools of phosphorus. Hence, a different extractant that can extract such potentially available P in an acidic soil under organic production system is highly required. The mineralization, solubilization and extraction (of the potentially available P pool) by using various organic acids produced through the beneficial soil microorganisms can serve this purpose. Therefore, the present research work was carried out to identify the best suitable P extractant to extract such potentially available inorganic P pool. The result of the present investigation revealed that out of 6 different extractants selected, 2% citric acid and double lactate extractants were found to be strongly correlated to the total P of the selected sites. Conventional Bray 1 extractant was taken as a check extractant. The outcome of the research is to develop a proper recommendation of fertilizer dose and an appropriate soil testing protocol for phosphorus being used in organic cultivation.

Keywords

Phosphorus; Pools; Extractants; Organic farming system; Soil testing protocol

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HOW TO CITE THIS PAPER?
Harvard Style

Patgiri, P., Swami, S. and Yumnam, V. (2024). Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants. Grassroots Journal of Natural Resources, 7(1): 66-80. Doi: https://doi.org/10.33002/nr2581.6853.070104

APA Style

Patgiri, P., Swami, S., &Yumnam, V. (2024). Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants. Grassroots Journal of Natural Resources, 7(1), 66-80. https://doi.org/10.33002/nr2581.6853.070104

ACS Style

Patgiri P., Swami S., Yumnam V. Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants. Grassroots Journal of Natural Resources, 2024, 7 (1), 66-80. https://doi.org/10.33002/nr2581.6853.070104

Chicago/Turabian Style

Patgiri, Pritisha, Swami, Sanjay, Yumnam, Ventina. 2024. “Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants”. Grassroots Journal of Natural Resources, 7 no. 1: 66-80. https://doi.org/10.33002/nr2581.6853.070104

AAA Style

Patgiri, Pritisha, Sanjay Swami and Ventina Yumnam. 2024. “Extracting Insoluble Inorganic Phosphorus from Organic Farm Soils in Mountains: Identifying Effective Organic Acid Extractants”. Grassroots Journal of Natural Resources, 7 (1): 66-80. https://doi.org/10.33002/nr2581.6853.070104

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