Troeh Frederick R.
Soils and soil fertility Textual Documents Frederick R. Troech. - 6th Ed. - Iowa: Blackwell Press, 2005. - viii, 489 p.,
9788126517879
Soil & Soil Conservation
631.4 / TRO
Soils and soil fertility Textual Documents Frederick R. Troech. - 6th Ed. - Iowa: Blackwell Press, 2005. - viii, 489 p.,
9788126517879
Soil & Soil Conservation
631.4 / TRO