Effects of trefoil cover crop and earthworm inoculation on maize crop and soil organisms in Reunion Island

Boyer Johnny, Michellon Roger, Chabanne André, Reversat Georges, Tibere Richard. 1999. Effects of trefoil cover crop and earthworm inoculation on maize crop and soil organisms in Reunion Island. Biology and Fertility of Soils, 28 : 364-370.

Autre titre : Effets d'une couverture de lotier et de l'inoculation du sol en vers de terre sur le rendement du maïs et les organismes du sol à l'île de la Réunion

Résumé : Traditional tree fallows have been abandoned on the western coast of the Reunion Island because of the increasing need for cultivated land. Soil fertility is no longer restored and crop yields have decreased drastically. The leguminous plant, #Lotus uliginosus# (trefoil), used as a cover crop, has made possible the control of erosion, the restoration of soil macrofauna, especially earthworms, and the increase in crop yields. When trefoil was associated with earthworms (#Amynthas corticis#), the densities of maize, the yields of maize stalk and dry matter, the yield of trefoil fodder dry matter, and the biomass and respiratory activity of soil microflora were considerably increased. The combined effects of their association led to a significant decrease in populations of the plant-parasitic nematode, #Pratylenchus vulnus#, in maize roots, and in the population of borers. Some soil chemical features were modified.

Mots-clés Agrovoc : Zea mays, Lotus uliginosus, plante de couverture, Oligochaeta, organisme du sol, rendement des cultures, Pratylenchus vulnus, ravageur des plantes, taux de croissance, propriété physicochimique du sol

Mots-clés géographiques Agrovoc : La Réunion, France

Classification Agris : F08 - Systèmes et modes de culture
P34 - Biologie du sol
H10 - Ravageurs des plantes

Auteurs et affiliations

• Boyer Johnny, CIRAD-CA-GEC (REU)
• Michellon Roger, CIRAD-CA-GEC (MDG)
• Chabanne André, CIRAD-CA-GEC (REU)
• Reversat Georges
• Tibere Richard, CIRAD-CA-Canne à sucre (REU)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/391601/)

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