materi mata kuliah Teknik Pupuk dan Pemupukan

http://www.ziddu.com/download/17116665/pokokpembahasan.txt.html
http://www.ziddu.com/download/17116757/MATERII_Pendahuluan.pdf.html
http://www.ziddu.com/download/17116756/Materi2.PUPUK0RGANIK.pdf.html
http://www.ziddu.com/download/17116844/PupukAnorganik.docx.html
http://www.ziddu.com/download/17116948/Materi6.PUPUKHAYATIBIOFERTILIZER.pdf.html
http://www.ziddu.com/download/17117078/Materi9.PUPUKHIJAU.pdf.html

slamat BLAJAR FREN . . .  . ..!!!
cip'ss . .  ^_^