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KALIUM :
Kebutuhan dan Penggunaannya dalam pertanian Modern
POTASH & PHOSPHATE INSTITUTE
Primary Author
mixed material
0969360800
Canada
Potash & Phosphate Inst. of Canada
1989
105_5_11zon.jpeg.jpeg
Kumpulan makalah seminar ilmiah kalium untuk tanaman kelapa sawit hotel Tiara Medan, 4 Oktober 1993
Puslit Kelapa Sawit dan Potash & Phosphate Institute
Additional Author
mixed material
Medan
PPKS dan Potash & Phosphate Institute
1993
11143.jpeg.jpeg
International soil fertility manual to understand soil fertility is to understand a key to mankinds survival on this planet
POTASH & PHOSPHATE INSTITUTE
Additional Author
mixed material
Norcross
PPI
1995
Cvr_International_....JPG
Kalium :
kebutuhan dan penggunaannya dalam pertanian modern
Potash & Phosphate Institute of Canada
Additional Author
mixed material
Saskatchewan
Potash & Phosphate Inst. of Canada
1989
Cvr_Kalium.JPG