Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|
Se han encontrado 519 recursos
African farmers are poorly resourced, highly diverse and aground by poverty traps making them rather impervious to change. As a consequence R4D efforts usually result in benefits but also trade-offs that constraint adoption and change. A typical case is the use of crop residues as mulches or as f...
Farmer participatory research (FPR) is conducted to compliment conventional research approaches with two major objectives in mind: to increase the efficiency of developing and testing alternative technologies with subsequent improvement of production systems; and to improve the adaptive research ...
Geographers first identified aquaculture as an important field of study during the 1990s, pointing to a ‘net deficit’ in geographical knowledge about the activity. This paper examines how far geographers have come in bridging this knowledge deficit in the last 20 years. While increasing attention...
Eighty-nine ewe lambs comprising 36 Shugor, 29 Dubasi and 24 Watish sheep weaned 16 weeks following birth experienced their first oestrus at an average age of 206 days. Winter-born ewe lambs attained sexual matrurity at a lower age than those lambs, which were born during the summer. The mean val...
Nematode infections are a serious constraint to pig production, especially where free range pig keeping is practiced. This study investigated the epidemiology of nematodes in free range pigs in Busia District, Kenya. Three hundred and six pigs from 135 farms were sampled for faeces that were anal...
Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|