Analisa Suseptibilitas Material Feromagnetik Pasir Besi Menggunakan Kurva Mag…

ABSTRACT The nonoptimal land use due to the nutrient content in the soil results in not maximal agricultural production. For that, it is necessary to know whether the plant nutrition in the soil is sufficient or not. Measurement of micronutrients in the soil is a very important process to determine soil fertility and the adequacy of plant needs for essential nutrients in its growth. One of…