acids detergents substitute fuels petrochemicals soil science agronomists study sustainable ways make soils productive profitable classify soils analyze determine whether contain nutrients vital plant growth common macronutrients analyzed include compounds nitrogen phosphorus potassium calcium magnesium sulfur soil also assessed several micronutrients like zinc boron percentage organic matter soil ph nutrient holding capacity cation exchange capacity tested regional laboratory agronomists interpret laboratory reports make recommendations modify soil nutrients optimal plant growth soil conservation additionally
Applied science Agriculture Agronomy