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Reports the initial results of a trial conducted to study the feasibility of using ox-drawn scoops for desilting ponds in the Ethiopian highlands.


Haile-Selassie, A.Cossins, N.J.[Use of ox-drawn scoops for pond maintenance in the southern Ethiopian rangelands]Use of ox-drawn scoops for pond maintenance in the southern Ethiopian rangelands

Drought is a major constraint to rice (Oryza spp.) production in sub-Saharan Africa. Oryza glaberrima Steud., the cultivated rice species that originated from West Africa, is well-adapted to its growing ecologies. This study was initiated to identify promising O. glaberrima accessions tolerant to...


Shaibu, A.A.Uguru, M.I.Sow, M.Maji, A.T.Ndjiondjop, M.N.Venuprasad, R.[Screening African Rice (Oryza glaberrima) for Tolerance to Abiotic Stresses: II. Lowland Drought]Screening African Rice (Oryza glaberrima) for Tolerance to Abiotic Stresses: II. Lowland Drought

Rice breeding in West Africa has been largely skewed toward yield enhancement and stress tolerance. This has led to the variable grain quality of locally produced rice in the region. This study sought to assess variations in the agronomic and grain quality traits of some rice varieties grown in t...


Graham‐Acquaah, S.Saito, K.Traoré, K.Dieng, I.Alognon, A.Bah, S.Sow, A.Manful, J.T.[Variations in agronomic and grain quality traits of rice grown under irrigated lowland conditions in West Africa]Variations in agronomic and grain quality traits of rice grown under irrigated lowland conditions in West Africa

The cultivation of calopo, Calopogonium mucunoides, as a promising forage legume for the lowland tropics, was hindered by its susceptibility to a severe yellow mosaic disease observed in the Eastern Plains of Colombia. An isometric virus ca. 28 nm in diameter was observed by electron microscopy i...


Morales, Francisco JoséCastaño, M.Arroyave, José A.Ospina, MD[A sobemovirus hindering the utilization of Calopogonium mucunoides as a forage legume in the lowland tropics]A sobemovirus hindering the utilization of Calopogonium mucunoides as a forage legume in the lowland tropics

Although silicon (Si) is found at much higher concentrations in healthy rice crops than N, P or K, it has received far less study, particularly for upland rice. There are few reports on the existence, causes, and effects of varying Si supplies in different environments. Chemical analyses of soil,...


Winslow, M.D.Okada, KCorrea Victoria, Fernando J.[Silicon deficiency and the adaptation of tropical rice ecotypes]Silicon deficiency and the adaptation of tropical rice ecotypes

This study assesses the impact of climate change on hydrological processes under rice intensification in three headwater inland valley watersheds characterized by different land conditions. The Soil and Water Assessment Tool was used to simulate the combined impacts of two land use scenarios defi...


Danvi, A.Giertz, S.Zwart, Sander J.Diekkrüger, B.[Rice Intensification in a Changing Environment: Impact on Water Availability in Inland Valley Landscapes in Benin]Rice Intensification in a Changing Environment: Impact on Water Availability in Inland Valley Landscapes in Benin
Mujica, N.Kroschel, J.Zebitz, C.[Latitudinal and altitudinal distribution and relative importance of the leafminer flies Liriomyza huidobrensis and L. sativae (Diptera: Agromyzidae) in low and highland regions of Peru.]Latitudinal and altitudinal distribution and relative importance of the leafminer flies Liriomyza huidobrensis and L. sativae (Diptera: Agromyzidae) in low and highland regions of Peru.

Iron (Fe) toxicity is recognized as one of the most widely spread soil constraints for rice production especially in West Africa. Oryza glaberrima the cultivated rice species that originated from West Africa is well-adapted to its growing ecologies. The aim of this study was to identify the promi...


Sikirou, M.Shittu, A.Konaté, K.A.Maji, A.T.Ngaujah, A.S.Sanni, K.A.Ogunbayo, S.A.Akintayo, I.Saito, K.Dramé, K.N.Ahanchédé, A.Venuprasad, R.[Screening African rice (Oryza glaberrima) for tolerance to abiotic stresses: I. Fe toxicity.]Screening African rice (Oryza glaberrima) for tolerance to abiotic stresses: I. Fe toxicity.

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