Quantity-intensity ratio of potassium in gypsiferous soils in Iraq1
| dc.creator | Mijbil Mohammad Al-Jumaily | |
| dc.creator | Hudhaifa Maan Al-Hamandi | |
| dc.creator | Mohammed Ali Al-Obaidi | |
| dc.creator | Radhwan Rafid Al-Zidan | |
| dc.date | 2022 | |
| dc.date.accessioned | 2026-07-07T04:32:44Z | |
| dc.description | In gypsiferous soils, potassium (K) undergoes leaching, precipitation and other reactions that reduce its availability. This study aimed to evaluate the physicochemical behavior of K in gypsiferous soils of the Salahaddin province (Iraq), in twelve locations chosen according to the variation in their soil physical and chemical properties. The K adsorption phenomenon was described by using thermodynamic parameters according to the quantity-intensity ratio (Q/I), with the following results: equilibrium activity ratio of 16 to 48 x 10−5 (mol L−1 )1/2, total labile K of 19 to 80 x 10−3 cmolc kg−1, potential buffering capacity of 22 to 42 cmolc kg−1 (mol L−1)−1/2, free energy of exchange of -1.237 to -1.086 kJ mol−1 and Gapon selectivity coefficient of 3.86 to 5.45 (L mol−1)1/2. All the investigated soils are characterized by good potassium reserves, but low in release. | |
| dc.format | application/pdf | |
| dc.identifier | 1517-6398 | |
| dc.identifier | https://www.redalyc.org/articulo.oa?id=253070366021 | |
| dc.identifier | https://www.redalyc.org/journal/2530/253070366021/ | |
| dc.identifier | https://www.redalyc.org/journal/2530/253070366021/html/ | |
| dc.identifier | https://www.redalyc.org/journal/2530/253070366021/253070366021.epub | |
| dc.identifier | https://www.redalyc.org/journal/2530/253070366021/movil | |
| dc.identifier | 10.1590/1983-40632022v5271620 | |
| dc.identifier.uri | http://hdl.handle.net/123456789/464794 | |
| dc.language | en | |
| dc.publisher | Universidade Federal de Goiás | |
| dc.relation | http://www.redalyc.org/revista.oa?id=2530 | |
| dc.rights | Pesquisa Agropecuária Tropical | |
| dc.source | Pesquisa Agropecuária Tropical (Brasil) Vol.52 | |
| dc.subject | Agrociencias | |
| dc.title | Quantity-intensity ratio of potassium in gypsiferous soils in Iraq1 | |
| dc.type | artículo científico |