Agricultura técnica en Mexico, Volumes 22-23

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Secretaría de Agricultura y Ganadería, Dirección General de Agricultura, 1996 - Agriculture

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Contents

Núm 1 EneroJunio 1996
3
Critical period of competition between weeds and henequen
21
a program for the desing and analysis of latice
39

24 other sections not shown

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