Schwab, Glenn.
Soil and water management systems / Glenn O. Schwab, Delmar D. Fangmeier amnd William J. Elliot. - 4th ed / . - New York : John Wiley , 1996. - xii,371p. : ill. ; 23cm .
NULL
0471109738 NULL
SOIL CONSERVATION WATER CONSERVATION
631.45 / SCH/S
Soil and water management systems / Glenn O. Schwab, Delmar D. Fangmeier amnd William J. Elliot. - 4th ed / . - New York : John Wiley , 1996. - xii,371p. : ill. ; 23cm .
NULL
0471109738 NULL
SOIL CONSERVATION WATER CONSERVATION
631.45 / SCH/S