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Geographic distribution, relative importance, and effect of lepidopterous stem and ear borers on maize, Zea mays L., were studied in the humid forest and the mid-altitude zones of Cameroon from 1994 to 1997. Six villages were chosen in the forest zone and grouped into three blocks representing gr...


Ndemah, R.Schulthess, F.Korie, S.Borgemeister, C.Cardwell, K.F.[Distribution, relative importance and effect of lepidopterous borers on maize yields in the forest zone and midaltitude of Cameroon]Distribution, relative importance and effect of lepidopterous borers on maize yields in the forest zone and midaltitude of Cameroon

Three surveys of maize fields were undertaken in 1993 in Cameroon, ranging from low to high altitudes, and from forests in the south with bimodal rainfall (two cropping seasons) to the northern savanna with monomodal rainfall distribution (one cropping season). Field conditions, insects and disea...


Cardwell, K.F.Schulthess, F.Ndemah, R.Ngoko, Z.[A systems approach to assess crop health and maize yield lossess due to pests and diseases in Cameroon]A systems approach to assess crop health and maize yield lossess due to pests and diseases in Cameroon

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