Land Capability and Suitability Evaluation of Faculty of Agriculture Farm, Sohag, Egypt

A. Moursy, Fatma N. Thabit
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引用次数: 1

Abstract

ourteen soil profiles were collected to represent an area about 40 feddans of farm, Sohag University to evaluate land capability and crop suitability of soils. Morphological, physical, chemical, fertility characteristics of examined soils were recognized using standard methods of soil testing. All soil attributes were input in different models of suitability and capability evaluation. The salient findings of this study revealed that, the study area was near to optimal (G1) and good capable (G2) except few sites were very poor (G4). Soil suitability evaluation was done for Wheat, Maize, Alfalfa and Poato crops using parametric and MicroLEIS (ALMAGRA) models. The area under investigation has been generally divided into highly to marginally suitable (S1 and S2 in parametric method and S3 in MicroLEIS-ALMAGRA model) for cultivating these crops except few sites were not suitable (S5 in MicroLEIS model) for this purpose. Soil limitations were observed in the study area such as low organic matter, coarse soil texture, alkalinity, and salinity. Storie index and parametric methods were strongly recommended to be used for land capability and suitability assessment in the investigated area, respectively. These findings are useful for decision makers to be used in better planning and management of agricultural lands.
埃及索哈格农业学院土地能力与适宜性评价
收集了14个土壤剖面,代表约40平方英尺的农田,Sohag大学,以评估土地能力和作物适宜性的土壤。用标准的土壤测试方法识别被测土壤的形态、物理、化学和肥力特征。在不同的适宜性和能力评价模型中输入所有土壤属性。本研究的显著发现是,除了少数极差的站点(G4)外,研究区域接近最佳(G1)和良好(G2)。采用参数化模型和MicroLEIS (ALMAGRA)模型对小麦、玉米、苜蓿和马铃薯4种作物的土壤适宜性进行了评价。除了少数不适合种植的地点(microlei - almagra模型中的S5)外,调查区一般被划分为高度适宜和边缘适宜(参数法中的S1和S2, microlei - almagra模型中的S3)。研究区土壤存在有机质含量低、质地粗糙、碱度和含盐量大的局限性。建议分别采用层数指数法和参数法进行土地承载力评价和适宜性评价。这些发现有助于决策者更好地规划和管理农业用地。
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