margsc All Lessons, Beginner Lessons, Soil Chemistry, Uncategorized

Essential Plant Nutrients: What Plants Need and Why

Summary: Essential plant nutrients are necessary for healthy plant growth. The 17 essential plant nutrients are C, O, H, N, P, K, Ca, Mg, S, Fe, B, Ni, Cu, Mo, Z, Cl, and Mn. Essential plant nutrients may be categorized as structural (C, O, H), primary macronutrients (N, P, K), secondary macronutrients (Ca, Mg, S) … Continue reading Essential Plant Nutrients: What Plants Need and Why

margsc All Lessons, Beginner Lessons, Lab Methods, Methods, Soil Chemistry

Laboratory Measurement of Soil pH

Summary: pH is a measure of the acidity of an aqueous (water-based) solution. pH can be used to determine the amount of hydrogen ions in a solution. In soil science, pH is important because it affects the solubility of many important plant nutrients and potential toxins. pH can be measured in several ways, some more … Continue reading Laboratory Measurement of Soil pH