Savana, 2. An assessment pf aridity and the severity of the 1972 drough in northern Nigeria and Neigh bouring countries / Kowal, J. M.

Public ISBD Titre de série : Savana, 2 Titre : An assessment pf aridity and the severity of the 1972 drough in northern Nigeria and Neigh bouring countries Type de document : texte imprimé Auteurs : Kowal, J. M. ; Adeoye, K. B. Année de publication : 1973 ISBN/ISSN/EAN : CI-04514 Note générale : Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N. Langues : Anglais (eng) Mots-clés : Sécheresse  environnement  PRECIPITATIONS  Evaporation  Législation  Politique de l'environnement  Agroécologie Index. décimale : 363.7 Environnement : classer ici la protection de l'environnement Résumé : Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N. Note de contenu : Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N. Savana, 2. An assessment pf aridity and the severity of the 1972 drough in northern Nigeria and Neigh bouring countries [texte imprimé] / Kowal, J. M. ; Adeoye, K. B. . - 1973. ISSN : CI-04514 Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N. Langues : Anglais (eng) Mots-clés : Sécheresse  environnement  PRECIPITATIONS  Evaporation  Législation  Politique de l'environnement  Agroécologie Index. décimale : 363.7 Environnement : classer ici la protection de l'environnement Résumé : Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N. Note de contenu : Agroclimatological parameters such as the annual rainfall, the start and end of the rains, the length of the rainy season and evaporation, are closely related to latitudinal position. These relationships are quantitative expessed en terms of regression equations, which are usuel to examine the causes and asess the severity of the 1972 drought in the drier zones of northern Nigeria and neighbouring countries of Niger and chad. A northern limit of arable farming based on the minimum requirements for the cultivation of millit is established along lat. 14.7°N.

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CI03B514.140019	CI-04514	Monographie	Bibliothèque CDI-Ouaga	Fond documentaire	Disponible
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