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The herbicides dalapon, glyphosate, paraquat, MSMA, and diuron were evaluated for their postemergence selectivity in cassava (Manihot esculenta Crantz). Four methods of application were also tested: with a shield, directed without a shield, and hitting the lower 25 or 50 percent of the plant. In ...


Piedrahíta Castañeda, WilsonDoll, J.[Herbicidas postemergentes en yuca (Manihot esculenta Crantz) selectividad, metodos de aplicacion e interaccion con edad]Herbicidas postemergentes en yuca (Manihot esculenta Crantz) selectividad, metodos de aplicacion e interaccion con edad

Two studies were conducted to determine the best integrated weed control system for cassava (Manihot esculenta Crantz), in addition to the selectivity of preplant incorporated (PPI) herbicides and their interactions with the planting system. Three preemergence treatments followed by hand weeding ...


Piedrahíta Castañeda, WilsonMesia P., R.Doll, J.[Control integrado de malezas y uso de herbicidas PSI en yuca (Manihot esculenta Crantz)]Control integrado de malezas y uso de herbicidas PSI en yuca (Manihot esculenta Crantz)

This paper examines changes in agricultural productivity in 10 Subsaharan countries. The relative performance of agricultural sector was gauged using data envelopment analysis. From a panel data set of the 10 countries which included the 28-year period 1972-1999, mathematical programming methods ...


Nkamleu, G.B.Gockowski, J.Kazianga, H.[Explaining the Failure in Agricultural production in subSaharan Africa]Explaining the Failure in Agricultural production in subSaharan Africa

Arango, JacoboValencia, Iván Darío[Contexto del concepto NAMA, Origen y futuro de las NAMAsa nivel global y nacional]Contexto del concepto NAMA, Origen y futuro de las NAMAsa nivel global y nacional

The efficiency of crop production has important implications for farm yield and productivity; however, little is known about the efficiency of bean production in Uganda. This study evaluated factors influencing technical efficiency among smallholder farmers in eastern Uganda where bean growing is...


Waluse, K.S.Owuor, G.Nyachwo, J.Alokit, C.Birachi, Eliud Abucheli[Analysis of Determinants of Productivity and Technical Efficiency among Smallholder Common Bean Farmers in Eastern Uganda]Analysis of Determinants of Productivity and Technical Efficiency among Smallholder Common Bean Farmers in Eastern Uganda

Cassava has long been expected to play a key role in rural economic growth in Africa, but are we there yet? Although research partnerships have produced elite cassava varieties with 50% more yielding potential and demonstrated technologies to boost processing and marketing of cassava, the sub-sec...


James, B.Bramel-Cox, P.J.Witte, E.R.Asiedu, RobertWatson, D.Okechukwu, R.U.[Expanding the application of cassava value chain technologies through UPoCA project]Expanding the application of cassava value chain technologies through UPoCA project

The Pan Africa Bean Research Alliance is a consortium of African-owned regional bean networks consisting of National Agricultural Research Systems (NARS) from 28 countries in sub- Saharan Africa, the International Center for Tropical Agriculture (CIAT) and a number of donor organizations. PABRA’s...


Buruchara, Robin A.Chirwa, RowlandAbang, Mathew M.Rubyogo, Jean-Claude[Pan Africa Bean Research Alliance Model]Pan Africa Bean Research Alliance Model

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