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This paper examines the welfare impacts of improved groundnut varieties in eastern Zambia using data from a survey of over 600 households. We use the stratification-multilevel, matching-smoothing, and smoothing-differencing methods to analyse how treatment effects vary with the propensity to adop...


Manda, J.Khonje, M.G.Alene, Arega D.Gondwe, T.N.P.[Welfare impacts of improved groundnut varieties in eastern Zambia: a heterogeneous treatment effects approach]Welfare impacts of improved groundnut varieties in eastern Zambia: a heterogeneous treatment effects approach

Peanuts are prone to various types of deterioration during storage which renders them unsuitable for consumption and trade resulting in large economic losses. Peanut kernels of Homabay Local, Valencia Red, ICGV-SM 12991 and ICGV-SM 99568 varieties were stored for six months in jute, polypropylene...


Mutegi, C.Wagacha, M.Christie, M.E.Kimani, J.Karanja, L.W.[Effect of storage conditions on quality and aflatoxin contamination of peanuts (Arachis hypogaea L.)]Effect of storage conditions on quality and aflatoxin contamination of peanuts (Arachis hypogaea L.)

In view of the lack of information on the use of herbicides in polycultures including non-commercial crop species, 2 expt. were designed to identify herbicides and doses suitable for crop associations including cassava. A total of 6 products were tested single or in mixtures having been chosen fo...


López M., J.Leihner, D.E.[Control quimico de malezas en policultivos con yuca (Manihot esculenta Crantz)]Control quimico de malezas en policultivos con yuca (Manihot esculenta Crantz)

The aim of the study was to determine the geographical and seasonal variations in aflatoxin dietary exposure levels in adults from Senegal. A total of 168 adults (50% male) were recruited from three districts: Nioro du Rip (n=90), located in the Sudan Savannah agro-ecological zone where rainfall ...


Watson, S.Diedhiou, P.M.Atehnkeng, J.Dem, A.Bandyopadhyay, RanajitSrey, C.Routledge, M.N.Gong, Y.Y.[Seasonal and geographical differences in aflatoxin exposures in Senegal]Seasonal and geographical differences in aflatoxin exposures in Senegal

When projecting future crop production, the skill of regional scale (>100 km resolution) crop models is limited by the spatial and temporal accuracy of the calibration and weather data used. The skill of climate models in reproducing surface properties such as mean temperature and rainfall patter...


Watson, J.Challinor, Andrew J.[The relative importance of rainfall, temperature and yield data for a regional scale crop model]The relative importance of rainfall, temperature and yield data for a regional scale crop model

In semi-arid regions, particularly in the Sahel, water and high-temperature stress are serious constraints for groundnut production. Understanding of combined effects of heat and drought on physiological traits, yield and its attributes is of special significance for improving groundnut productiv...


Hamidou, F.Halilou, O.Vadez, Vincent[Assessment of groundnut under combined heat and drought stress]Assessment of groundnut under combined heat and drought stress
Blümmel, MichaelVellaikumar, S.Devulapalli, R.Nigam, S.N.Upadhyaya, Hari D.Khan, A.[Preliminary observations on livestock productivity in sheep fed exclusively on haulms from eleven cultivars of groundnut]Preliminary observations on livestock productivity in sheep fed exclusively on haulms from eleven cultivars of groundnut

Two methods of intensifying crop production in ‘no-external-input’ slash and burn crop fallow rotation systems: increased crop density and increased cropping frequency, were tested on an Ultisol in southern Cameroon. Two common fallow types, secondary forest (forest fallow) and young...


Hauser, S.Norgrove, L.Nkem, J.[Groundnut/maize/cassava intercrop yield response to fallow age, cropping frequency and crop plant density on an Ultisol in southern Cameroon]Groundnut/maize/cassava intercrop yield response to fallow age, cropping frequency and crop plant density on an Ultisol in southern Cameroon

Climate change is projected to intensify drought and heat stress in groundnut (Arachis hypogaea L.) crop in rainfed regions. This will require developing high yielding groundnut cultivars that are both drought and heat tolerant. The crop growth simulation model for groundnut (CROPGRO-Groundnut mo...


Singh, P.Nedumaran, S.Ntare, B.R.Boote, Kenneth J.Singh, Naveen P.Srinivas KBantilan, MCS[Potential benefits of drought and heat tolerance in groundnut for adaptation to climate change in India and West Africa]Potential benefits of drought and heat tolerance in groundnut for adaptation to climate change in India and West Africa

Quantify aflatoxins, the potent carcinogens associated with stunting and immune suppression, in maize and groundnut across Zambia's three agroecologies and determine vulnerability to aflatoxin increases after purchase.


Kachapulula, P.W.Akello, J.Bandyopadhyay, RanajitCotty, P.J.[Aflatoxin contamination of groundnut and maize in Zambia: observed and potential concentrations]Aflatoxin contamination of groundnut and maize in Zambia: observed and potential concentrations

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