k a barbarick

Geof Smith, K. A. Barbarick · AwwaRF

72 sayfa · 2007

Water-supply / Water quality management / Ultrafiltration / Pathogenic microorganisms / Water, purification

K. A. Barbarick · Colorado State University

47 sayfa · 1991

Fertilizers / Phosphate rock / Phosphatic fertilizers / Sudan grass / Zeolites

K. A. Barbarick · Agricultural Experiment Station

39 sayfa · 2001

Compost / Sewage as fertilizer