Library of National Istitute Of Technology Malang is one the facilities and infrastructure that provides various services for providing academic information, while there are collections such as research results, papers, articles, theses postgraduate theses, loan transaction data so far not used further. to also explore patterns information might be valuable use in evaluating book other document...

potassium (k) is an element essential for plant growth, playing a significant role in physiological and biochemical processes in plant. the relationship between a soil testing extractant vs. plant nutrient uptake should be a determining parameter in the selection of a soil testing method. the objective of this study was to evaluate different extractants employed for extracting available k in 10...