PENGARUH BAHAN ORGANIK (Pueraria javanica) DAN FOSFAT ALAM TERHADAP PERTUMBUHAN DAN SERAPAN P TANAMAN JAGUNG (Zea mays) PADA ANDISOL PASIR SARONGGE

Abstract

Phosphor (P) is the second esensial element after nitrogen which is needed by plants, however, its avalilability is a problem in vulcanic ash soils such as Andisol...