Effets à long terme des fumures minérales et organo-minérales sur la dynamique du phosphore dans un lixisol au Burkina Faso

Lompo, François; Bonzi, M.; Bado, BV; Gnankambary, Zacharia; Ouandaogo, N.; Sédogo, Michel Papaoba; Assa, A.

doi:10.4314/aga.v20i2.1744

Cited by 6 publications

(6 citation statements)

References 24 publications

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“…This suggests that P was limiting sorghum growth more than N in the studied Lixisol. The Lixisols from West-central Burkina Faso are known to be strongly depleted in N and P, especially when they have been cropped for a long time without fertilizer application (Lompo et al, 2008;Mando, Bonzi, Wopereis, Lompo, & Stroosnijder, 2005) as it was the case for our soil. Earlier studies have pointed out P as the most growth limiting nutrient for crops production on Sudano-Sahelian soils (Muehlig-Versen, Buerkert, Bationo, & Roemheld, 2003;Sinaj et al, 2001).…”

Section: Effects Of Organic and Mineral Fertilizers On Soil Microorga...mentioning

confidence: 81%

Nitrogen and phosphorus uptake from isotope‐labeled fertilizers by sorghum and soil microorganisms

Traoré

Kiba

Bünemann

et al. 2020

Agrosystems Geosci & Env

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On nutrient‐depleted Lixisols from Burkina Faso, nutrient acquisition by crops and soil microbes mainly relies on the limited amounts of mineral and organic fertilizers applied by small‐scale farmers. The objective of this study was to determine simultaneously the uptake of nitrogen (N) and phosphorus (P) contained in organic and mineral fertilizers by sorghum [Sorghum bicolor (L.) Moench ] and soil microbial biomass. Double 15N and 33P direct and indirect labeling techniques were applied in a pot experiment to determine the contributions of different fertilizers to sorghum N and P uptake during 52 d of growth. In parallel, soil respiration, available, and microbial N and P were tracked in an incubation experiment. Sorghum derived 83–90% of P from fertilizers. Nitrogen from cattle manure was poorly available, contributing only 20% of the N taken up by sorghum. Water‐soluble mineral fertilizers increased soil N and P availability, resulting in the highest total N and P uptake by sorghum from fertilizers and soil among all treatments. The application of cowpea [Vigna unguiculata (L.) Walp.] residues induced microbial N and P immobilization, reducing sorghum N and P uptake to the level of the non‐fertilized treatment. The use of double 15N and 33P labeling elucidated the impact of fertilizers on soil nutrient pools. The low plant N/P ratio suggested N limitation for sorghum in the manure treatment. Cowpea residues were inefficient for sorghum nutrition, but they increased soil microbial nutrient pools. This study gives insights on the potential effects of legume residues used as green manure to build soil fertility.

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Section: Effects Of Organic and Mineral Fertilizers On Soil Microorga...mentioning

confidence: 81%

Nitrogen and phosphorus uptake from isotope‐labeled fertilizers by sorghum and soil microorganisms

Traoré

Kiba

Bünemann

et al. 2020

Agrosystems Geosci & Env

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“…Composts with phosphate rock have a slightly higher mineralization rate than composts without phosphate rock. This can be explained by referring to Lompo's works 15 which showed that phosphate rock in the presence of nitrogen stimulates the activity of microorganism's biomass and therefore stimulates the degradation of organic matter.…”

Section: Discussionmentioning

confidence: 99%

Carbon Mineralization of Agro-Food Waste Compost in Soil under Controlled Conditions

Tchegueni¹,

Bodjona²,

Sabi³

et al. 2018

Orient. J. Chem

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Compost mineralization study under controlled conditions is a way to predict the compost behavior in the soil. It permits to know how much compost to bring to the soil to ensure a good amendment and how long the compost will last in the soil. Six composts obtained from agro-food waste are incubated under controlled conditions in order to follow the carbon mineralization. Soil-compost mixtures (100:1) are incubated at 2/3 of soil moisture capacity for 75 days and under ambient temperature (30 °C). The soil-compost mixtures released and during 75 days and15.96 to 27.52 mg of C-CO 2 , versus 4.89 mg for the control without compost. This correspond to the carbon potentially mineralizable varing between 25 and 46% of the total organic carbon. The pH of composts and their C/N ratio have effected carbon mineralization.

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“…According to Dabin (2007), the level of availability of different forms of orthophosphate varies greatly. Some quickly find themselves in solution, others migrate more slowly, from the solid phase to the solution, and others only dissolve with the activity of living organisms (Lompo et al, 2008).…”

Section: Discussionmentioning

confidence: 99%

Untitled

2015

IJAPR

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For generating a strategy of quantitative and qualitative productions of Lippia multiflora, influence soil contents of organic carbon (C), total nitrogen (TN), total phosphorus (TP) and available phosphorus (AP) were explored via dominant-abundance index (DAI) of the species as well as the leaves extractable essential oil. The experiment was carried out along three toposéquences in three sites of L. multiflora ecosystem in Centre Côte d'Ivoire at four topographic positions: Summit (S), Upper slope (UP), Middle slope (MS) and Foot slope (FS). DAI was recorded coupled with soil and leaves sampling. C, TN, TP and AP were determined as well as the concentrations of essential oils. Occurrence of L. multiflora was highest in the MS and FS positions of the landscapes with significant influence of AP also noticed for essential oils mainly characterized by highest concentrations of Citral (Géranial+Néral) and Linalol. It would be possible to grow L. multiflora, in centre Côte d'Ivoire applying P and TN for high yields of leaves and essential oils mainly composed of terpenoid derivatives.

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Effets à long terme des fumures minérales et organo-minérales sur la dynamique du phosphore dans un lixisol au Burkina Faso

Abstract: Fertilisations à long terme et caractéristiques du phosphore dans un Lixisol au Burkina Faso

Cited by 6 publications

References 24 publications

Nitrogen and phosphorus uptake from isotope‐labeled fertilizers by sorghum and soil microorganisms

Nitrogen and phosphorus uptake from isotope‐labeled fertilizers by sorghum and soil microorganisms

Carbon Mineralization of Agro-Food Waste Compost in Soil under Controlled Conditions

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