Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management

Acid-sulfate soils and overuse of chemical fertilizers have been obstacles to sustainable agriculture. The variation of fertilization due to poor soil fertility has remarkably affected the yield gap and the quality of the environment, so an optimal fertilizing rate should be formulated. Therefore, t...

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Main Authors: Nguyen Quoc Khuong, Nguyen Minh Phung, Le Thanh Quang, Phan Chi Nguyen
Format: Article
Language:English
Published: Elsevier 2024-02-01
Series:Heliyon
Online Access:http://www.sciencedirect.com/science/article/pii/S240584402401572X
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author Nguyen Quoc Khuong
Nguyen Minh Phung
Le Thanh Quang
Phan Chi Nguyen
author_facet Nguyen Quoc Khuong
Nguyen Minh Phung
Le Thanh Quang
Phan Chi Nguyen
author_sort Nguyen Quoc Khuong
collection DOAJ
description Acid-sulfate soils and overuse of chemical fertilizers have been obstacles to sustainable agriculture. The variation of fertilization due to poor soil fertility has remarkably affected the yield gap and the quality of the environment, so an optimal fertilizing rate should be formulated. Therefore, this study aimed at (i) detecting obstacles in soil characteristics reducing pineapple yield between farms and (ii) assessing the effects of NPKCaMg fertilizers on soil fertility, uptakes, and pineapple yield. The on-farm experiment was carried out according to site-specific nutrient management (SSNM) arranging in acid-sulfate soil for pineapple, including (i) no fertilizers used; (ii) NPKCaMg: fully fertilizing with nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg); (ii) PKCaMg: fertilizing without N; (iii) NKCaMg: fertilizing without P; (iv) NPCaMg: fertilizing without K; (v) NPKMg: fertilizing without Ca; (vi) NPKCa: fertilizing without Mg; and (vii) FFP: farmers’ fertilizing practice. The result of the principal component analysis revealed that the soil had low availability of N, P, and K nutrients. Available P concentration was negatively correlated with concentrations of Al3+, Fe2+, and total Mn, whose correlation coefficients were −0.34 to −0.59, −0.52 to −0.74, and −0.63 to −0.70, respectively. Fertilizing NPKCaMg obtained the highest result in the uptakes of N, P, K, Ca, and Mg, which were 289.1–327.4, 25.4–29.3, 137.4–166.0, 41.9–48.9, and 39.8–43.1 kg ha−1, respectively. Fertilizing by SSNM has increased pineapple yield by 22.9 %–44.9 % compared to the FFP. This fertilizer formula should be transferred to the local farmers in order not only to enhance productivity, but also to limit the damage of chemical fertilizers on the environment. Moreover, this formula should be tested globally in other places that share similar soil characteristics.
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spelling doaj.art-ae4c8dcd96b3475ca916b74f57d833162024-02-17T06:41:25ZengElsevierHeliyon2405-84402024-02-01103e25541Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient managementNguyen Quoc Khuong0Nguyen Minh Phung1Le Thanh Quang2Phan Chi Nguyen3Faculty of Crop Science, College of Agriculture, Can Tho University, Can Tho, 94000, Viet NamFaculty of Crop Science, College of Agriculture, Can Tho University, Can Tho, 94000, Viet NamFaculty of Crop Science, College of Agriculture, Can Tho University, Can Tho, 94000, Viet NamDepartment of Land Resources, College of Environment and Natural Resources, Can Tho University, Can Tho, 94000, Viet Nam; Corresponding author.Acid-sulfate soils and overuse of chemical fertilizers have been obstacles to sustainable agriculture. The variation of fertilization due to poor soil fertility has remarkably affected the yield gap and the quality of the environment, so an optimal fertilizing rate should be formulated. Therefore, this study aimed at (i) detecting obstacles in soil characteristics reducing pineapple yield between farms and (ii) assessing the effects of NPKCaMg fertilizers on soil fertility, uptakes, and pineapple yield. The on-farm experiment was carried out according to site-specific nutrient management (SSNM) arranging in acid-sulfate soil for pineapple, including (i) no fertilizers used; (ii) NPKCaMg: fully fertilizing with nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg); (ii) PKCaMg: fertilizing without N; (iii) NKCaMg: fertilizing without P; (iv) NPCaMg: fertilizing without K; (v) NPKMg: fertilizing without Ca; (vi) NPKCa: fertilizing without Mg; and (vii) FFP: farmers’ fertilizing practice. The result of the principal component analysis revealed that the soil had low availability of N, P, and K nutrients. Available P concentration was negatively correlated with concentrations of Al3+, Fe2+, and total Mn, whose correlation coefficients were −0.34 to −0.59, −0.52 to −0.74, and −0.63 to −0.70, respectively. Fertilizing NPKCaMg obtained the highest result in the uptakes of N, P, K, Ca, and Mg, which were 289.1–327.4, 25.4–29.3, 137.4–166.0, 41.9–48.9, and 39.8–43.1 kg ha−1, respectively. Fertilizing by SSNM has increased pineapple yield by 22.9 %–44.9 % compared to the FFP. This fertilizer formula should be transferred to the local farmers in order not only to enhance productivity, but also to limit the damage of chemical fertilizers on the environment. Moreover, this formula should be tested globally in other places that share similar soil characteristics.http://www.sciencedirect.com/science/article/pii/S240584402401572X
spellingShingle Nguyen Quoc Khuong
Nguyen Minh Phung
Le Thanh Quang
Phan Chi Nguyen
Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
Heliyon
title Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
title_full Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
title_fullStr Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
title_full_unstemmed Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
title_short Yield gap reduction of pineapple (Ananas comosus L.) by site-specific nutrient management
title_sort yield gap reduction of pineapple ananas comosus l by site specific nutrient management
url http://www.sciencedirect.com/science/article/pii/S240584402401572X
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