 | Iica - 544 páginas
7 ARS - AGRICULTURAL RESEARCH SERVICE . USDA ( EE.UU. , Beltsville , MD ) Irr . A ... 18-23 , 25 , 26 , 29-31 Estas publicaciones no tienen fecha no.1ARS - W . AGRICULTURAL RESEARCH SERVICE . USDA . ( EE.UU. , Beltsville , MD ) no.1- ... | |
 | 116 páginas
AGRICULTURAL RESEARCH INSTITUTE . ( 1999 ) . Agricultural technology development . http://www.econ.ag.gov/ epubs / pdf / ah712 USDA . AGRICULTURAL RESEARCH SERVICE HOMEPAGE . ( 1999 ) . http : // www.ars.usda.gov/ USDA . | |
 | 116 páginas
( 1999 ) . Agricultural technology development . http://www.econ.ag.gov/ epubs / pdf / ah712 USDA . AGRICULTURAL RESEARCH SERVICE HOMEPAGE . ( 1999 ) . http : // www.ars.usda.gov/ USDA . ECONOMIC RESEARCH SERVICE HOMEPAGE . | |
 | 316 páginas
( 2311 NATTI , J. J. y DICKSON , M. H. Bean root rot breeding at the New York State Agricultural Experiment Station , GeneU.S. Agricultural Research Service . ARS - 74-32 . 1965. p . 82 . ( 2312 va . OLAVE L. , C. A. Resistencia de ... | |
 | 402 páginas
( 2311 NATTI , J. J. y DICKSON , M. H. Bean root rot breeding at the New York State Agricultural Experiment Station , GeneU.S. Agricultural Research Service . ARS - 74-32 . 1965. p . 82 . ( 2312 OLAVE L. , C. A. Resistencia de algunas ... | |
 | 104 páginas
Inter - American Institute of Agricultural Sciences in Barbados . ... Journal of Agricultural Research 2 ( 1 ) : 56 - 67 Hudson , N . W . 1971 . Soil Conservation . f . 320 . ... Agricultural Research Service ARS 41 - 79 . P . 27 . | |
 | 546 páginas
171-4-75 , Project Report , Utah State University , Watershed Science Unit , Logan , Utah . 59 PP . Hobbs , Harold W. 1963. Hydrologic data for experimental agricultural watersheds in the United States , 1956-1959 . U.S. Department of ... | |
 | Andrew B. S. King, Joseph L. Saunders - 1984 - 258 páginas
W. Junk , The Hague . 418pp . ( Vol . 9 of Series Entomologica ) . 168. ... Agricultural Research Service ( ARS 81 31 ) , United States Dept. of Agriculture . 140pp . 173. UVAROV , B. 1966. ... Centre for Overseas Pest Research , London ... | |
 | 132 páginas
International Standard Serial Number ( ISSN ) 0193-3760 Agricultural Research Service , Agricultural Reviews and ... 94612 A - 43 U.S. Department of Agriculture Agricultural Research Service Agricultural Reviews and Manuals ARM - W - 37 ... | |
| |
