Wicaksono, Makruf. “PHYSIOLOGY EFFICIECY OF NITROGEN ABSORBTION WITH THREE SOYBEAN VARIETY OF UREA AND APPLICATIONS RHIZOBIUM IN SOIL WITH NUTRITRIONAL STATUS LOW NITROGEN”. Jurnal Online Pertanian Tropik 2, no. 2 (August 1, 2015): 140-147. Accessed December 23, 2024. https://talenta.usu.ac.id/jpt/article/view/2896.