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Journal Article 2006

Autor: Otoo, E. Okonkwo, C. Asiedu, Robert

Seven white yam (Dioscorea rotundata Poir.) genotypes (1 local and 6 hybrids from IITA) were evaluated in 13 environments using randomized complete block design (RCBD) with 3 replications. The environments were Fumesua (forest) from 2000 to 2004 and Wenchi (forest Guinea savannah transition) from...

Enlace original: https://cgspace.cgiar.org/handle/10568/91751

Investigación en Agricultura
Enlace permanente
Otoo, E. ,  Okonkwo, C. ,  Asiedu, Robert ,  [Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana] ,  Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana
Journal Article 2004

Autor: Shiwachi, H. Okonkwo, C. Asiedu, Robert

Symptoms of nutritional deficiencies in D. alata and D. rotundata were observed when yam plants were grown in nutrient solutions from which any of the following had been omitted: N, P, K, Ca, Mg, Zn, Fe, B, Mn, Cu and Mo. The symptoms of deficiency of major elements were visible on plants of both...

Enlace original: https://cgspace.cgiar.org/handle/10568/103377

Investigación en Agricultura
Enlace permanente
Shiwachi, H. ,  Okonkwo, C. ,  Asiedu, Robert ,  [Nutrient deficiency symptoms in yams (Dioscorea spp.)] ,  Nutrient deficiency symptoms in yams (Dioscorea spp.)

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