2007-4026

2007-4026

S2007-40262019000100069

10.5154/r.inagbi.2018.02.002

USA

00 06 2019

00 06 2019

11 1 69 79

2002 40 3 3

1-11

2002 38 6 6

1715-21

2002

American Society of Agricultural Engineers (ASAE) 1996

1976 31 1-2 1-2

13-26

1969

2012 109

81-93

2006

2008 7 2 2

587-600

2009 220 4 4

505-21

2010

1972

1980 44 5 5

892-8