Publications Scientifiques

[ Article ] Assessment of Nutritional Status of Rainfed Rice in Benin Using Diagnosis and Recommendation Integrated System (DRIS)

Date de soumission: 14-01-2021
Année de Publication: 2020
Document type : Article
Discipline(s) :
Titre Assessment of Nutritional Status of Rainfed Rice in Benin Using Diagnosis and Recommendation Integrated System (DRIS)
Auteurs Anago Firmin N [1], DAGBENONBAKIN Gustave Dieudonné [2], Oussou Brice [3], AGBANGBA Codjo Emile [4], SAIDOU ALIOU [5], AMADJI LUCIEN GUILLAUME [6],
Journal: International Journal of Plant & Soil Science
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 32
Resume The fertilizer used in Benin by rainfed rice farmers, doesn’t meet the required expectation because of lack of many essential agronomic information to formulate the appropriate nutrient compositions. Despite all the advances in improvement of rice production, its yields in traditional cropping systems are very low and the only inputs of Nitrogen, Phosphorous and Potassium do not effectively increase rice yields. The purpose of this study was to assess nutritional status of rainfed rice crops in Benin. The study covered the rainfed rice production areas of Benin Center where 72 leaves samples were taken on 3600 plants from the farmer fields. The concentrations of nitrogen, phosphorus, potassium, calcium, magnesium, iron and zinc were determined in leaves samples. The preliminary DRIS (Diagnosis and Recommendation Integrated System) norms for the rainfed rice growing in the Benin center were selected for various nutrient ratios obtained from the high yield population of the rainfed rice crop. The yields of the two subpopulations were significantly different (p < .0001). The nutrient requirement for the rainfed rice production was ranked as N> Fe> Zn>K>Mg>P>Ca. The DRIS-derived sufficiency ranges for N, P, K, Ca and Mg from the nutrient indexing survey of the rainfed rice plants grown in Benin center were 1.91-3.66, 0.30-0.64, 2.00- 3.89, 0.37-1.05 and 0.18-0.38g kg-1 respectively. The limits for Fe and Zn were 89.27-206.3 and 8.21-24.91 mg kg-1 respectively. On the basis of sufficiency ranges, 4.22, 57.75, 66.20, 56.34, 45.07, 46.50 and 29.57% of samples were low in N, P, K, Ca, Mg, Fe and Zn respectively. The DRIS norms put emphasis on nutrient balance and help to differentiate between healthy and unhealthy rice plants from the nutrition status. However, it needed further researches to determine the amount of the fertilizers to supply in order to maintain nutrient balance.
Mots clés DRIS indices; high yielding subpopulations; sufficiency ranges; rainfed rice.
Pages 74 - 83
Fichier (PDF)

Publications par entité

  • Centre de Formation et de Recherche en matière de Population (CEFORP) (21)
  • Centre Interfacultaire de Formation et de Recherche en Environnement pour le Développement Durable (CIFRED) (43)
  • Chaire Internationale en Physique Mathématique et Applications (CIPMA-Chaire UNESCO) (45)
  • Ecole Doctorale Pluridisciplinaire <<Espaces, Culture et Développement>> (0)
  • Ecole Nationale d'Administration et de Magistrature (ENAM) (73)
  • Ecole Nationle d'Economie Appliquée et de Management (88)
  • Ecole Normale Supérieure (35)
  • Ecole Polytechnique d'Abomey-Calavi (EPAC) (1126)
  • Faculté de droit et de Science Politique (FADESP) (114)
  • Faculté des Lettres et Sciences Humaines (FLASH) (1381)
  • Faculté des Lettres, Langues, Arts et Communications (FLLAC) (0)
  • Faculté des Sciences Agronomiques (1943)
  • Faculté des Sciences de la Santé (FSS) (2339)
  • Faculté des Sciences Economiques et de Gestion (FASEG) (190)
  • Faculté des Sciences et Techniques (FAST) (1082)
  • Faculté des Sciences Humaines et Sociales (FASHS) (70)
  • Institut de Formation et de Recherche en Informatique (IFRI) (76)
  • Institut de Géographie de l'Aménagement du territoire et de l'Environnement (IGATE) (0)
  • Institut de Mathématiques et de Sciences Physiques (IMSP) (124)
  • Institut National de l'Eau (INE) (28)
  • Institut National des Métiers d'Art d'Archéologie et de la Culture (INMAAC) (11)
  • Institut National Médico Sanitaire ( INMeS) (0)
  • Institut Régional de Santé Publique (IRSP) (84)

Publications par sexe

  • Femme( 1406 )
  • Homme (