01072nam a2200325Ia 4500 Para_6979 CHAP 220125s9999 xx 000 0 und d 205725 CHAP PA-C 631.4 B85 Pubols, Ben H. 171806 Ferming systems and practices and their relations hip to soil conservation and farm income in the wheat region of Washington / by Ben H. Pubols, Alden E. Orrand Carl P. Heisig Washington : State College of Washington. Agricultural Experiment Station 41 p. Bulletin ; 374 171807 Enc. con otros impresos similares Suelos conservación 110283 Suelos EUA 171754 Trigo EUA 171808 Heisig, Carl P. 171809 Orrand, Alden E. 171810 PA-C 631.4 B85 A 000000 0000000000 00 PARA PARA 1 205725 205725 0 0 ddc 0 1 0 C PA PA 11 2005-10-27 PARA 0 PA_5285-11 2022-01-25 00:00:00 2022-01-25 LIBRO 3