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| Titel: |
Amélioration du statut organique d'un sol ferrugineux tropical lessivé sous jachère artificielle à Andropogon spp. au Burkina Faso: effet des traitements sur la chimie du sol |
| Auteur: |
Somé, NA. Hien, V. Ouédraogo, SJ. |
| Verschenen in: |
Tropicultura |
| Paginering: | Jaargang 24 (2006) nr. 4 pagina's 200-207 |
| Jaar: |
2006 |
| Inhoud: |
Improvement of Organic Status in Tropical Ferruginous Soil under Andropogon spp. Fallow (Burkina Faso): Treatment Effects on Soil Chemical Elements. Among the soils of the Sudanian zone, the ferruginous types are the most common and are characterized by low levels of productivity. The quality of these soils decreases further because of the shortening of the fallow duration and the mining type of cultivation. The trial carried out at Sobaka, in the Sudanian zone of Burkina Faso was designed to study palliative solutions to the yield reductions consecutive to the decrease in ferruginous soil fertility. An artifi cial prairie based on Andropogon spp. was created and allowed to stand fallow for 3-years to monitor the evolution of chemical constituents of the soil. The objectives were to obtain rapid improvement of the bio-physico-chemical properties of the soils and to permit a shortening of the fallow duration. Total carbon, nitrogen, phosphorus, potassium and pH of the soils were measured. Results showed that litter and roots from andropogoneae improved signifi cantly the stock of organic matter of the soil by more than 40%. Andropogon spp. when used in artifi cial fallow improves soil fertility and permits the shortening of fallow duration in tropical areas. |
| Uitgever: |
Agri-overseas (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 8 gevonden artikelen
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