 | 402 páginas
NIGERIA . DEPARTMENT OF AGRICULTURE . Annual Report for the year 1953-54 . Lagos , 1956. pt . 2 , 53 p . ( 1168 Annual Report for the year 1961-1962 . Lagos , 1964 . 75 P. ( 1169 caupí , pp . 24-26 . NIGERIA . NORTHERN REGION . | |
 | 566 páginas
NORTHERN REGION OF NIGERIA . Annual report 1954-1955 . and specialist services . Kaduna , s.f. 100 p . FCA 10 : 791 . NIQUEUX . Intercropping of maize with soyNIGERIA . DEPARTMENT OF AGRICULTURE . Annual report for the year 1950-1951 . | |
 | 86 páginas
NIGERIA . DEPARTMENT OF AGRICULTURE . Annual Report for the year 1953-54 . Lagos , 1956. pt . 2 , 53 p . ( 1168 Annual Report for the year 1961-1962 . Lagos , 1964. 75 p . ( 1169 caupí , pp . 24-26 . NIGERIA . NORTHERN REGION . | |
 | Iica - 160 páginas
31-33 . NORTHERN REGION OF NIGERIA . Annual report 1954-1955 . and specialist services . Kaduna , s.f. 100 p . FCA 10 : 791 . NIQUEUX . ProNIGERIA . DEPARTMENT OF AGRICULTURE . FCA 6 : 1604-8 . Lagos , 1953. 123 p . | |
 | 338 páginas
Annual report 1964-1965 ( year ending 31st March 1965 ) . Samaru , Zaria , N. Nigeria , 1966. 63 P. ( 6064 NIGERIA . NORTHERN REGION , MINISTRY OF AGRICUL TURE . Triennial report 1959-1962 . s.n.t. 94 P. ( 6065 MINISTRY OF AGRICULTURE ... | |
 | 168 páginas
O NIGERIA . DEPARTMENT OF AGRICULTURE . Annual report for the year 1950-1951 . Lagos , 1953. 123 p . FCA 6 : 1604-8 . ... Intercropping of annual crops under indigenous conditions in the Northern part of Nigeria . | |
 | 252 páginas
US DEPARTMENT OF AGRICULTURE . Yearbook of agriculture 1961 ; seeds . Washington , D.C. , 1961. 591 p . NIGERIA , NORTHERN REGION . MINISTRY OF AGRICULTURE . Annual report 1957-58 . Kaduna , Government Printer , 1960. | |
 | Iica - 1997 - 34 páginas
NIGERIA . NORTHERN REGION . MINISTRY OF AGRICULTURE . Annual report 1957-58 . Kaduna , Government Printer , 1960 . AMERICAN SOCIETY OF AGRICULTURAL Maryland , 1961. v . 78 , 699 p . 64 p . SCIENCE . Proceedings . | |
 | Iica - 1964 - 36 páginas
US DEPARTMENT OF AGRICULTURE . Yearbook of Agriculture 1961 ; seeds . Washington , D.C. , 1961 . 591 P. NIGERIA , NORTHERN REGION . MINISTRY OF AGRICULTURE . Annual report 1957-58 . Kaduna , Government Printer , 1960. 64 p . | |
 | Francisco Jiménez O., Arturo Vargas F. - 1998 - 376 páginas
Situación de la Agroforestería en el Subtrópico Húmedo de ia Region del Chapare , Bolivia . ... North Caroline Universtiy . p . 257-263 . ... Nitrogen and Phosphorus dynamics of systems integrating trees an annual crops . | |
| |