na INLIS000000000001906 ind 0010-0923000273 Pupuk Organik dan Pupuk Hayati Organic Fertilizer and Biofertilizer R.D.M. Simanungkalit [et.al] Bogor : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian, 2012 321 hlm 2 cm 978-979-9474-57-5 631.86 BAD P C-3 C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MFN2204