منابع مشابه
Improving West African rice production with agricultural water management strategies
The populations of West African countries continue to grow at rates exceeding three per cent per year. The international food price spike of 2008 focused attention on the risks to national security and livelihoods associated with importing significant quantities of food; and government and donor investment strategies now focus on ensuring national food security. Since rice is a key staple crop ...
متن کاملProminent Signs of Oestrusin the West African Dwarf Goat
In order to study the signs of œstrus in the West African Dwarf goat, 28 non pregnant females younger than 24 months of age were used. Most of them (94.7%) had waggled the tail during heat. The frequency of micturition was higher in the presence of the male. The swelling of the vulva was observed in 68.4% of goats in heat. The cervico-vaginal mucus was significantly (P≤0.05) abundant and elasti...
متن کاملWest African crystalline maculopathy.
OBJECTIVE To describe the findings of a new crystalline maculopathy exclusively affecting elderly members of the Igbo tribe of southeast Nigeria. DESIGN Retrospective, observational noncomparative case series. METHODS Six patients referred over a 2-year period to the medical retina consultation service of the King/Drew Medical Center (Los Angeles, Calif) were identified as having a characte...
متن کاملWest African malaria.
Plasmodium falciparum malaria poses an increasing risk to travellers to West Africa. The development of chloroquine resistant in West Africa has further compounded the risk. Two cases of falciparum malaria from Sierra Leone are presented. One represents the classic missed case and the other a probable case of chloroquine resistant (RI vide infra) falciparum malaria. These cases highlight the da...
متن کاملThe Eye of the West African Negro.
pension for retired workers are needed. k is not necessary lo emphasise the greathonour of being a member of this institute. Thenomination of. outstanding foreign' .ophthalmologists as corresponding members of the institute would stress its international character. There is no time or space here to deal with Jinguistic difficulties, but we stress the fact that all the governments of the United ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/190773a0