QUALITATIVE LAND SUITABILITY EVALUATION FOR THE MAIN AGRONOMIC CROPS IN GONBAD-E-KAVOUS, NORTHEAST-IRAN

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MOHAMMADI AFSHIN; PASHAEI AVAL A.; MOSAVATI S.A.; SADEGHI SOHRAB

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:14 | Issue:5 Page(s): 99-111

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Title

QUALITATIVE LAND SUITABILITY EVALUATION FOR THE MAIN AGRONOMIC CROPS IN GONBAD-E-KAVOUS, NORTHEAST-IRAN

Author(s)

MOHAMMADI AFSHIN | PASHAEI AVAL A. | MOSAVATI S.A. | SADEGHI SOHRAB | Issue Writer Certificate

Keywords

LAND EVALUATIONQ2

QUALITATIVE SUITABILITYQ4

PRODUCTION POTENTIALQ2

Abstract

This investigation was conducted to evaluate the qualitative land suitability for wheat, soybean, cotton and to test accuracy of the applied land suitability evaluation methods. The area is locatd in southwest of Gonbad-e-Kavous, Golestan province, northeastern-Iran. For classification, soil profiles from each of the separated land units were discribed and classified (according to Soil Taxonomy, USDA, 2006). The studied soil profiles were all classified as Mollisols with mollic diagnostic surface horizon and subsurface cambic, calcic, argilic and natric horizons. The land suitability class was determined in the next step by matching land characteristics with the crop vegetative requirements using simple limitation method, number and intensity of limitation method, Storie method and Square method. The results of physical evaluation revealed that the most important limitations for crop production in the area are the climatic limitations, salinity, alkalinity, acidity, high calcium carbonate and drainage. For determing the accuracy of the applied land suitability evaluation methods, yield potential of irrigated wheat, climatic conditions and topographic situation of the region were first evaluated. In the next step land PRODUCTION POTENTIAL (predicted performance of wheat) was calculated by using irrigated yield potential and soil limitating factors. Finally the evaluated performance was compared with Farmers performance. Cofficient of determination test and Chi-square tests showed a good correlation between FAO model and the land suitability evaluating methods, specially the Storie method in wheat in cultivated areas.

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APA: Copy

MOHAMMADI, AFSHIN, PASHAEI AVAL, A., MOSAVATI, S.A., & SADEGHI, SOHRAB. (2008). QUALITATIVE LAND SUITABILITY EVALUATION FOR THE MAIN AGRONOMIC CROPS IN GONBAD-E-KAVOUS, NORTHEAST-IRAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(5), 99-111. SID. https://sid.ir/paper/8886/en

Vancouver: Copy

MOHAMMADI AFSHIN, PASHAEI AVAL A., MOSAVATI S.A., SADEGHI SOHRAB. QUALITATIVE LAND SUITABILITY EVALUATION FOR THE MAIN AGRONOMIC CROPS IN GONBAD-E-KAVOUS, NORTHEAST-IRAN. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;14(5):99-111. Available from: https://sid.ir/paper/8886/en

IEEE: Copy

AFSHIN MOHAMMADI, A. PASHAEI AVAL, S.A. MOSAVATI, and SOHRAB SADEGHI, “QUALITATIVE LAND SUITABILITY EVALUATION FOR THE MAIN AGRONOMIC CROPS IN GONBAD-E-KAVOUS, NORTHEAST-IRAN,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 5, pp. 99–111, 2008, [Online]. Available: https://sid.ir/paper/8886/en

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