Materi Kuliah Pengelolaan Tanah

1. pengelolaan tanah pendahuluan from Andrew Gates

Bab iii metode pengelolaan tanah from Andrew Gates

Bab iv bahan organik tanah from Andrew Gates

Bab v konservasi tanah dan air from Andrew Gates

Rpkps pengelolaan tanah 2013 from Andrew Gates

Semnas 2015 (materi pak jakawi) from Andrew Gates