01846nam a22004217a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093090001000102100004700112245010500159260004000264300003100304502009900335590003700434590004100471590004100512590004100553590004100594590004100635590004100676590004200717650005200759650003500811901000700846942000900853949003600862949004100898949004800939949004000987999001701027952012601044952012601170952012801296CHAP20220329141306.0971010s1980 r 00010 d a65884 a66856 a75838 cCHAP aTesis00aMartínez Fernández, F. Braulio.972026 aTendencias de cambio en el uso de insumos en la agricultura del distrito económico de Celaya, Gto. aChapingo, Méx. :bEl autor,c1980 a90 h.b; láms. ; gráf. aTesis (Ing. Agr. Esp. en Economía Agrícola) -- UACH. Departamento de Economía Agrícola aALEPHb10c20130110lUCH01h1359 aBATCH-UPDb10c20130110lUCH01h0108 aBATCH-UPDb10c20130110lUCH01h2014 aBATCH-UPDb10c20130409lUCH01h2059 aBATCH-UPDb10c20130410lUCH01h1333 aBATCH-UPDb10c20130913lUCH01h2131 aBATCH-UPDb10c20130914lUCH01h1800 aCONVERSIONb10c20130109lUCH01h133614aAgriculturaxInnovaciones tecnológicas.9156514aAgriculturazGuanajuato.91927 aBK cFOLL bBCcTESd-146460eTS1i75838si bBCcTESd-146461eTS2fc.2i75838si bBCcTESd-146462eTS2fc.3h21962i75838si bZAcTESBDd-8821eTS1h50i75838si c65884d65884 00102local4053708TESISaBCbBCcPA_TESISd2012-12-17fTESISl0p-146461r2019-12-31 00:00:00tc.2w2019-12-31yTESIS 00102local4053708TESISaBCbBCcPA_TESISd2012-12-17fTESISl0p-146462r2019-12-31 00:00:00tc.3w2019-12-31yTESIS 00102local4051708TESISaBCbBCcPA_TESISd2019-12-31fTESISl0oTesisp-146460r2019-12-31 00:00:00w2019-12-31yTESIS