Effect of different phosphorus sources on P-uptake and yield of rice in acidic soil: a study of phosphorus availability dynamics

Kalidas-Singh, Sagolshem; Thakuria, Dwipendra; Samarendra, Hazarika; Puyam, Anita; Mayanglambam, Homeshwari-Devi

doi:10.1080/01904167.2024.2325937

Journal of Plant Nutrition

2024

DOI: 10.1080/01904167.2024.2325937

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Effect of different phosphorus sources on P-uptake and yield of rice in acidic soil: a study of phosphorus availability dynamics

Sagolshem Kalidas-Singh,

Dwipendra Thakuria,

Hazarika Samarendra

et al.

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2024

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Coapplication of humic acid and gypsum affects soil chemical properties, rice yield, and phosphorus use efficiency in acidic paddy soils

Hartina,

Monkham,

Vityakon

et al. 2024

Preprint

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This study investigated the effects of humic acid (HA), flue gas desulfurization gypsum (FG), and their combined application on soil chemical properties, rice yield, phosphorus use efficiency (PUE), and phosphorus agronomic efficiency (PAE) during rice production in acidic paddy soil, which has not been previously studied. The greenhouse experiment was conducted in a completely randomized block design with four treatments, including a control (with no soil amendments), HA (975 kg ha− 1), FG (636 kg ha− 1), and HA combined with FG. The application of HA increased soil pH, total organic carbon (TOC), cation exchange capacity (CEC), total concentrations of P, Ca, and S, and exchangeable Ca and S. In addition, the application of HA maximized rice yield, total P uptake, PUE, and PAE. The application of FG increased the soil total Ca, whereas the coapplication of HA and FG increased TOC, CEC, available P, exchangeable Ca, exchangeable S, and total S. However, the application of FG, both alone and in combination with HA, failed to increase rice yield, PUE, and PAE owing to lower total P uptake by plants. Therefore, HA application alone is a sustainable soil management practice for acidic paddy soils. In contrast, FG application alone must be careful considered, as it resulted in disappointing agronomic effects.

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Coapplication of humic acid and gypsum affects soil chemical properties, rice yield, and phosphorus use efficiency in acidic paddy soils

Hartina,

Monkham,

Vityakon

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Effect of different phosphorus sources on P-uptake and yield of rice in acidic soil: a study of phosphorus availability dynamics

Cited by 1 publication

References 50 publications

Coapplication of humic acid and gypsum affects soil chemical properties, rice yield, and phosphorus use efficiency in acidic paddy soils

Coapplication of humic acid and gypsum affects soil chemical properties, rice yield, and phosphorus use efficiency in acidic paddy soils

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