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El-Sharkawy, Mabrouk A.[Prospects of photosynthetic research for increasing agricultural productivity, with emphasis on the tropical C4 Amaranthus and the cassava C3-C4 crops]Prospects of photosynthetic research for increasing agricultural productivity, with emphasis on the tropical C4 Amaranthus and the cassava C3-C4 crops

Alebachew, K.[Yield and Water Use Efficiency of Mulched Drip Irrigated Tomato (Lycopersiconesculentum Mill) in Kalu Worda, South Wollo Zone, Ethiopia]Yield and Water Use Efficiency of Mulched Drip Irrigated Tomato (Lycopersiconesculentum Mill) in Kalu Worda, South Wollo Zone, Ethiopia

The bioactivity of water and methanol extracts of Alstonia booneii stem bark against Maruca vitrata Fabricius, was studied in the laboratory through a bioassay. When incorporated into the artificial diet at 0.0% (control), 1.0%, 2.5 %, 5.0 %, and 10.0 % concentrations, respectively, both extrac...


Oigiangbe, O.N.Igbinosa, I.B.Tamo, M.[Bioactivity of extracts of Alstonia boonei (Apocynaceae) De wild stem bark against Maruca vitrata (Lepidoptera: Pyralidae) Fabricius]Bioactivity of extracts of Alstonia boonei (Apocynaceae) De wild stem bark against Maruca vitrata (Lepidoptera: Pyralidae) Fabricius

To understand how agriculture and poverty interact, we analysed water availability, productivity and institutions for the Andes basins. Water limits agricultural productivity in the southern basins but is plentiful in the northern basins where steep slopes or poor land and water management limit ...


Mulligan, M.Rubiano, J.Hyman, GlennWhite, D.García, J.Saravia, MGabriel Leon, J.Selvaraj, J.Guttierez, TSaenz Cruz, L.L.[The Andes basins: biophysical and developmental diversity in a climate of change]The Andes basins: biophysical and developmental diversity in a climate of change

En el Anuario Estadístico de América Latina y el Caribe de la CEPAL se presenta un conjunto de estadísticas básicas que caracterizan la situación económica, sociodemográfica y ambiental de la región referidas a un período en particular. Esta información es parte del conjunto de estadísticas dispo...


El auge que exhiben los precios internacionales de los metales, el petróleo y otros productos primarios está determinado, entre otros factores, por el incremento de la demanda mundial de estos bienes, a raíz de la extraordinaria expansión económica de China y otras economías emergentes durante la...


The boom in international prices for metals, oil and other commodities was caused by the rising global demand for these items on the back of the extraordinary growth seen in China’s economy and in other emerging economies over the past decade, among other factors. Demand for iron, copper and alum...


Ayantunde, Augustine A.Cofie, Olufunke O.Barron, Jennie[Multiple uses of small reservoirs in crop-livestock agro-ecosystems of Volta basin: Implications for livestock management]Multiple uses of small reservoirs in crop-livestock agro-ecosystems of Volta basin: Implications for livestock management

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