Project's information
| Project's title | Studying, assessing the possibility of liming to remediate the acidity of haplic Acrisols to improve the effectiveness of cassava cultivation in the Southeast – A case study of Tay Ninh province. |
| Project’s code | VAST05.02/20-21 |
| Research hosting institution | Ho Chi Minh City Institute of Resources Geography |
| Project leader’s name | Dr. Nguyen Tho |
| Project duration | 01/01/2020 - 30/06/2023 |
| Project’s budget | 600 million VND |
| Classify | Grade B |
| Goal and objectives of the project | - Developing routine testing procedures for pH buffering capacity and lime requirement of haplic Acrisols; - Assessing factors influencing pH buffering capacity and lime requirement of haplic Acrisols; - Proposing measures to improve the effectiveness of liming for cassava cultivation on haplic Acrisols. |
| Main results | - Theoretical results: + Developed a routine testing procedure for lime requirement of haplic Acrisols; + Clarified the physical, chemical characteristics, pH buffering capacity and lime requirement, and the relationships between these in haplic Acrisols in Tay Ninh province; + Assessed the possibility of liming to remediate the acidity of haplic Acrisols in Tay Ninh province. - Applied results: + Proposed measures to improve the effectiveness of liming for cassava cultivation on haplic Acrisols in Tay Ninh province. |
| Novelty and actuality and scientific meaningfulness of the results | - Providing scientific and practical basis for liming to remediate the acidity of haplic Acrisols; |
| Products of the project | - Scientific papers published in ISI-listed journals: + Tho Nguyen (2023) Lime requirement for agricultural soils: A review of the current and potential methods for routine use. Journal of Plant Nutrition and Soil Science 186(1), 23-29. + Tho Nguyen and Tran Van Dung (2023) Direct Titration Method for Lime Requirement Estimates of Ultisols in Southeastern Vietnam. Communications in Soil Science and Plant Analysis 54 (15), 2077-2086. + Tho Nguyen and Man Ba Duong (2023) Using a single base addition for lime requirement of Acrisols: a case study in Southeastern Vietnam. Archives of Agronomy and Soil Science. DOI: 10.1080/03650340.2023.2189243 - Technological products (describe in details: technical characteristics, place): + Report on the possibility of liming to remediate the acidity of haplic Acrisols in Tay Ninh province; + Measures to improve the effectiveness of liming to remediate the acidity of haplic Acrisols for cassava cultivation; + A data set of pH buffering capacity, lime requirement, and related physical and chemical characteristics of haplic Acrisols in Tay Ninh province; + A routine procedure for lime requirement test of haplic Acrisols. The abovementioned products (both electronic and color-printed versions in true scales) are stored in the Ho Chi Minh City Institute of Resources Geography. |
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