Conservation farming int he United States : the methods and accomplishments of the STEEP program
Michalson, Edgar L. , ed.
Conservation farming int he United States : the methods and accomplishments of the STEEP program /by Edgar L. Michalson, Robert I. Papendick and John E. Carlson. - Boca Raton, Flo. : CRC Press, 1999. - 233 p. : fots.; ilus.; tablas
0849311853
83792
Agricultura--E.U.A.
Agricultura--Investigacion--E.U.A.
Cultivos--E.U.A.
630.5 / M5
Conservation farming int he United States : the methods and accomplishments of the STEEP program /by Edgar L. Michalson, Robert I. Papendick and John E. Carlson. - Boca Raton, Flo. : CRC Press, 1999. - 233 p. : fots.; ilus.; tablas
0849311853
83792
Agricultura--E.U.A.
Agricultura--Investigacion--E.U.A.
Cultivos--E.U.A.
630.5 / M5