Тэги:
#Soil_survey #Objectives/purposes_of_soil_survey #Classification_and_Planning_of_soil_survey #Soil_conservation #Methods_and_Techniques_of_Soil_Conservation #Soil_Erosion #Causes_and_Types_of_Soil_Erosion #Agents_and_Factors_Affecting_of #SALT #Base_Materials #Soil_Mapping #Classification_of_soil #USLE #Universal_Soil_Loss_EquationКомментарии: