Staff View: Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate

Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate

In the tropics, warm temperatures and high rainfall contribute to acidic soil formation because of the significant leaching of base cations (K⁺, Ca²⁺, Mg²⁺, and Na⁺), followed by the replacement of the base cations with Al³⁺, Fe²⁺, and H⁺ ions at the soil adsorption sites. The pH buffering capacity...

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Main Authors:	Ng, Ji Feng, Osumanu Haruna Ahmed, Mohamadu Boyie Jalloh, Latifah Omar, Kwan, Yee Min, Adiza Alhassan Musah, Poong, Ken Heong
Format:	Article
Language:	English
Published:	MDPI AG 2022
Subjects:	S1-(972) Agriculture (General) TD878-894 Special types of environment Including soil pollution, air pollution, noise pollution
Online Access:	https://eprints.ums.edu.my/id/eprint/42417/1/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42417/ https://doi.org/10.3390/agronomy12010219
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spelling	my.ums.eprints.424172024-12-30T01:22:19Z https://eprints.ums.edu.my/id/eprint/42417/ Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate Ng, Ji Feng Osumanu Haruna Ahmed Mohamadu Boyie Jalloh Latifah Omar Kwan, Yee Min Adiza Alhassan Musah Poong, Ken Heong S1-(972) Agriculture (General) TD878-894 Special types of environment Including soil pollution, air pollution, noise pollution In the tropics, warm temperatures and high rainfall contribute to acidic soil formation because of the significant leaching of base cations (K⁺, Ca²⁺, Mg²⁺, and Na⁺), followed by the replacement of the base cations with Al³⁺, Fe²⁺, and H⁺ ions at the soil adsorption sites. The pH buffering capacity of highly weathered acid soils is generally low because of their low pH which negatively impacts soil and crop productivity. Thus, there is a need to amend these soils with the right amount of inorganic liming materials which have relatively high neutralizing values and reactivity to overcome the aforementioned problems. Soil leaching and the pH buffering capacity studies were conducted to determine whether the co-application or co-amendment of a calcium carbonate product (Calciprill) and sodium silicate can improve soil nutrient retention and pH buffering capacity of the Bekenu series (Typic Paleudults). A 30 day soil leaching experiment was carried out using a completely randomized design with 16 treatments and 3 replications after which the leached soil samples were used for a pH buffering capacity study. The Calciprill and sodium silicate treatments significantly improved soil pH, exchangeable NH⁴⁺, available P, exchangeable base cations, Effective Cation Exchange Capacity (ECEC), and pH buffering capacity in comparison with the untreated soil. The improvements were attributed to the alkalinity of Calciprill and sodium silicate due to their high inherent K⁺, Ca²⁺, Mg²⁺, and Na⁺ contents. The neutralizing effects of the amendments impeded the hydrolysis of Al3+ (96.5%), Fe²⁺ (70.4%), and Mn²⁺ (25.3%) ions resulting in fewer H+ ions being produced. The co-application of Calciprill and sodium silicate reduced the leaching of Ca²⁺ (58.7%) and NO³⁻ (74.8%) from the amended soils. This was due to the ability of sodium silicate to reduce soil permeability and protect the Calciprill and available NO³⁻ from being leached. This also improved the longevity of Calciprill to enhance the soil pH buffering capacity. However, the amounts of NH⁴⁺, P, and base cations leached from the amended soils were higher compared with the un-amended soils. This was due to the high solubility of sodium silicate. The most suitable combination amendment was 7.01 g Calciprill and 9.26 g sodium silicate (C2S5) per kilogram soil. It is possible for farmers to adopt the combined use Calciprill and sodium silicate to regulate soil nutrient retention and improve the soil pH buffering capacity of highly weathered acidic soils. This will enhance soil and crop productivity. MDPI AG 2022 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/42417/1/FULL%20TEXT.pdf Ng, Ji Feng and Osumanu Haruna Ahmed and Mohamadu Boyie Jalloh and Latifah Omar and Kwan, Yee Min and Adiza Alhassan Musah and Poong, Ken Heong (2022) Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate. Agronomy, 12. pp. 1-24. https://doi.org/10.3390/agronomy12010219
institution	Universiti Malaysia Sabah
building	UMS Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Sabah
content_source	UMS Institutional Repository
url_provider	http://eprints.ums.edu.my/
language	English
topic	S1-(972) Agriculture (General) TD878-894 Special types of environment Including soil pollution, air pollution, noise pollution
spellingShingle	S1-(972) Agriculture (General) TD878-894 Special types of environment Including soil pollution, air pollution, noise pollution Ng, Ji Feng Osumanu Haruna Ahmed Mohamadu Boyie Jalloh Latifah Omar Kwan, Yee Min Adiza Alhassan Musah Poong, Ken Heong Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
description	In the tropics, warm temperatures and high rainfall contribute to acidic soil formation because of the significant leaching of base cations (K⁺, Ca²⁺, Mg²⁺, and Na⁺), followed by the replacement of the base cations with Al³⁺, Fe²⁺, and H⁺ ions at the soil adsorption sites. The pH buffering capacity of highly weathered acid soils is generally low because of their low pH which negatively impacts soil and crop productivity. Thus, there is a need to amend these soils with the right amount of inorganic liming materials which have relatively high neutralizing values and reactivity to overcome the aforementioned problems. Soil leaching and the pH buffering capacity studies were conducted to determine whether the co-application or co-amendment of a calcium carbonate product (Calciprill) and sodium silicate can improve soil nutrient retention and pH buffering capacity of the Bekenu series (Typic Paleudults). A 30 day soil leaching experiment was carried out using a completely randomized design with 16 treatments and 3 replications after which the leached soil samples were used for a pH buffering capacity study. The Calciprill and sodium silicate treatments significantly improved soil pH, exchangeable NH⁴⁺, available P, exchangeable base cations, Effective Cation Exchange Capacity (ECEC), and pH buffering capacity in comparison with the untreated soil. The improvements were attributed to the alkalinity of Calciprill and sodium silicate due to their high inherent K⁺, Ca²⁺, Mg²⁺, and Na⁺ contents. The neutralizing effects of the amendments impeded the hydrolysis of Al3+ (96.5%), Fe²⁺ (70.4%), and Mn²⁺ (25.3%) ions resulting in fewer H+ ions being produced. The co-application of Calciprill and sodium silicate reduced the leaching of Ca²⁺ (58.7%) and NO³⁻ (74.8%) from the amended soils. This was due to the ability of sodium silicate to reduce soil permeability and protect the Calciprill and available NO³⁻ from being leached. This also improved the longevity of Calciprill to enhance the soil pH buffering capacity. However, the amounts of NH⁴⁺, P, and base cations leached from the amended soils were higher compared with the un-amended soils. This was due to the high solubility of sodium silicate. The most suitable combination amendment was 7.01 g Calciprill and 9.26 g sodium silicate (C2S5) per kilogram soil. It is possible for farmers to adopt the combined use Calciprill and sodium silicate to regulate soil nutrient retention and improve the soil pH buffering capacity of highly weathered acidic soils. This will enhance soil and crop productivity.
format	Article
author	Ng, Ji Feng Osumanu Haruna Ahmed Mohamadu Boyie Jalloh Latifah Omar Kwan, Yee Min Adiza Alhassan Musah Poong, Ken Heong
author_facet	Ng, Ji Feng Osumanu Haruna Ahmed Mohamadu Boyie Jalloh Latifah Omar Kwan, Yee Min Adiza Alhassan Musah Poong, Ken Heong
author_sort	Ng, Ji Feng
title	Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
title_short	Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
title_full	Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
title_fullStr	Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
title_full_unstemmed	Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate
title_sort	soil nutrient retention and ph buffering capacity are enhanced by calciprill and sodium silicate
publisher	MDPI AG
publishDate	2022
url	https://eprints.ums.edu.my/id/eprint/42417/1/FULL%20TEXT.pdf https://eprints.ums.edu.my/id/eprint/42417/ https://doi.org/10.3390/agronomy12010219
_version_	1819911296748879872
score	13.23648

Soil nutrient retention and pH buffering capacity are enhanced by calciprill and sodium silicate

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