Knowledge Resource Center for Ecological Environment in Arid Area
| POTASSIUM FORMS STATUS IN SOME DESERT TORRIFLUVENTS SOIL AND EFFECT OF CULTIVATION ON IT | |
| Al-Tamimi, R. A. | |
| 通讯作者 | Al-Tamimi, RA |
| 来源期刊 | IRAQI JOURNAL OF AGRICULTURAL SCIENCES
 |
| ISSN | 0075-0530 |
| EISSN | 2410-0862 |
| 出版年 | 2017 |
| 卷号 | 48期号:2页码:598-607 |
| 英文摘要 | This research was conducted to study potassium status and forms in some desert Torrifluvents soil, from south of Libya and to clarify the effect of cultivation on its forms. Composite soil samples were collected from surface soils (0-30 cm) of some cultivated fields and from larva regions besides these fields. Various forms of potassium were determined i.e. soluble-K, NH(4)OAC extractable-K, reserve-K, sulphuric acid-K, boiling nitric acid-K to determine primary step-K and total step-K, and total K. Results indicated that all soils have high content of soluble and exchangeable potassium, and within the range of arid and semi-arid soils. Reserve-K was ranged between 0.359-3.422 cmol kg(-1) with an average of 1.702 and 2.637 cmol kg(-1) in cultivated and virgin soils respectively. All soils had low content of primary step which ranged between 0.214-1.294 cmol kg(-1) with an average of 0.522 and 0.926 cmol kg(-1) in cultivated and virgin soils respectively. Total step potassium was ranged between 0.982-5.995 cmol kg(-1) with average of 2.480 and 3.765 cmol kg(-1) for cultivated and larva soils respectively. Total potassium concentration was between 15.16-36.71 and 23.53-30.06 cmol kg(-1) with average of 24.52 and 26.38 in cultivated and virgin soils respectively. All forms of potassium were decreased as a result of cultivation. Apart from K-HCl and total K, the rest forms of potassium were significantly correlated with each other's. |
| 英文关键词 | extractable-K reserve-K primary step-K constant rate-k total step-K supplying power |
| 类型 | Article |
| 语种 | 其他 |
| 开放获取类型 | DOAJ Gold |
| 收录类别 | ESCI |
| WOS记录号 | WOS:000435638200021 |
| WOS类目 | Agriculture, Multidisciplinary |
| WOS研究方向 | Agriculture |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/332593 |
| 作者单位 | [Al-Tamimi, R. A.] Diyala Univ, IRQ, Coll Agr, Soil Sci & Water Resources Dept, Baqubah, Iraq |
| 推荐引用方式 GB/T 7714 | Al-Tamimi, R. A.. POTASSIUM FORMS STATUS IN SOME DESERT TORRIFLUVENTS SOIL AND EFFECT OF CULTIVATION ON IT[J],2017,48(2):598-607. |
| APA | Al-Tamimi, R. A..(2017).POTASSIUM FORMS STATUS IN SOME DESERT TORRIFLUVENTS SOIL AND EFFECT OF CULTIVATION ON IT.IRAQI JOURNAL OF AGRICULTURAL SCIENCES,48(2),598-607. |
| MLA | Al-Tamimi, R. A.."POTASSIUM FORMS STATUS IN SOME DESERT TORRIFLUVENTS SOIL AND EFFECT OF CULTIVATION ON IT".IRAQI JOURNAL OF AGRICULTURAL SCIENCES 48.2(2017):598-607. |
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