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This study concives the agricultural production systems and regions like economic and social facts. The theoric framework, the underpinning concepts, the agricultural calssification and the regionalization method had been developed here in accordance with this principle. sBoth the municipality level aggregated and the farm level seggregated information from the 1970 agricultural census were the sources from which the variables describing the agricultural characteristics of each municipality were worked out. the analysis of this information by means of modern factor analysis, as well as our theoretical interpretation of this results, maked it possible to classify the mexican agriculture into 18 production systems and to delimit 72 agricultural regions with 187 subregions

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productividad mexico geografia economica mexique analyse statistique systeme d'exploitation agricole geographie economique analisis estadistico sistemas de explotacion productivite

Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias - Mexico

Milk production in Finnish agricultural policy.

1987

Hemilae K.

finland finlandia politique agricole agricultural structure milk production structure agricole estructura agricola production laitiere politica agricola produccion lechera ...

Wolters Kluwer - United States of America

[Agricultural production structure in Lugo mountain]

1987

Lopez Garrido, C. (Servicio de Investigacion Agraria, La Coruna (Spain))

explotaciones agrarias demographie recursos ressource exploitation agricole spain espana ...

Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria - Spain

Possibilities of production intensification in agricultural enterprises

1987

Klimo, L. (Ministerstvo Financii SSR, Bratislava (Czechoslovakia)) | Ivanka, L.

agriculture collective plant production production animale intensification animal production collective farming explotacion agricola colectiva intensificacion checoslovaquia/ fincas estatales produccion animal produccion vegetal production vegetale ...

Matica Srpska Library - Serbia

[Role of genetical sciences in agricultural production]

1987

Bianchi, A. (Istituto Sperimentale per la Cerealicoltura, Rome (Italy))

herbicidas agronomie variedades erbicidi herbicide produzione vegetale genetique plante d'interet economique production vegetale produccion vegetal hibridos plantas de valor economico ...

Istituto di Servizi per il Mercato Agricolo Alimentare - Italy

Legumes: their potential role in agricultural production

1987

Power, J.F.

The increased use of N fertilizers in the USA in 1959-79 was paralleled by a decrease in legume seed production. N contribution to the soil and other crops in rotations by legume N fixation is discussed in the light of the increasing economic and environmental cost of N fertilizers. The disadvantages of using legumes are also considered.

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fabaceae nitrogen fertilizers nitrogen fixation crop rotation availability

National Agricultural Library - United States of America