LOSS OF SOIL NUTRIENTS AND ORGANIC MATTER FROM LANDS WITH DIFFERENT COVERS IN ARID AND SEMI ARID REGIONS UNDER THE EFFECTS OF RUNOFF AND EROSION

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RASHID FAR M.; HASANLI A.M.; SOUFI MAJID

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Journal: Desert Year:2004 | Volume:9 | Issue:1 Page(s): 35-48

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Title

LOSS OF SOIL NUTRIENTS AND ORGANIC MATTER FROM LANDS WITH DIFFERENT COVERS IN ARID AND SEMI ARID REGIONS UNDER THE EFFECTS OF RUNOFF AND EROSION

Author(s)

RASHID FAR M. | HASANLI A.M. | SOUFI MAJID | Issue Writer Certificate

Keywords

LOSS OF NUITRENTSQ3

SURFACE SOIL EROSIONQ2

RUNOFFQ4

ORGANIC MATTERQ2

PHOSPHOROUSQ2

NITROGENQ2

POTASSIUMQ2

Abstract

This research was carried out to determine the loss of main soil nutrients as well as ORGANIC MATTER in lands with different crop covers under the effect of RUNOFF and erosion. The experiment was carried out in the agricultural research center of Bakhtajerd, Darab. Three main crops: wheat, cotton residues, residues of corn as well as bare land constituted the four treatments that were selected for a complete randomized block design with three replications at the end of May, 2002. Plots of 2x1.8m size were designed for the artificial rainfall. They were isolated with sheets of metal to enable the collection of the respective RUNOFF and sediments. Artificial rainfall with 75 mm hr-1 intensity of ten year return period was generated with a rainfall simulator. Nutrient losses of POTASSIUM, NITROGEN, PHOSPHOROUS as well as ORGANIC MATTER loss were determined in the laboratory. The loss of POTASSIUM, PHOSPHOROUS, NITROGEN and ORGANIC MATTER for a rainfall of 30 minutes, was recorded as 0.67, 0.63, 1.37,0.41 g/m2 for wheat cover; 0.002, 0.006, 0.007, 0.005 for corn residues; 0.15, 0.54, 0.84, 0.66 for cotton residue cover, and 1.88, 5.77, 8.68, 7.08 g/m2 for bare land plots respectively. The loss of PHOSPHOROUS, NITROGEN and ORGANIC MATTER was the highest in cotton residue plots while the lowest was from wheat plots. The loss of POTASSIUM from plots with cotton residue was the highest while from the bare land plots it was the lowest.

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APA: Copy

RASHID FAR, M., HASANLI, A.M., & SOUFI, MAJID. (2004). LOSS OF SOIL NUTRIENTS AND ORGANIC MATTER FROM LANDS WITH DIFFERENT COVERS IN ARID AND SEMI ARID REGIONS UNDER THE EFFECTS OF RUNOFF AND EROSION. DESERT (BIABAN), 9(1), 35-48. SID. https://sid.ir/paper/5315/en

Vancouver: Copy

RASHID FAR M., HASANLI A.M., SOUFI MAJID. LOSS OF SOIL NUTRIENTS AND ORGANIC MATTER FROM LANDS WITH DIFFERENT COVERS IN ARID AND SEMI ARID REGIONS UNDER THE EFFECTS OF RUNOFF AND EROSION. DESERT (BIABAN)[Internet]. 2004;9(1):35-48. Available from: https://sid.ir/paper/5315/en

IEEE: Copy

M. RASHID FAR, A.M. HASANLI, and MAJID SOUFI, “LOSS OF SOIL NUTRIENTS AND ORGANIC MATTER FROM LANDS WITH DIFFERENT COVERS IN ARID AND SEMI ARID REGIONS UNDER THE EFFECTS OF RUNOFF AND EROSION,” DESERT (BIABAN), vol. 9, no. 1, pp. 35–48, 2004, [Online]. Available: https://sid.ir/paper/5315/en

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