Volume 69 Number 1

Table of Contents

Research Papers

Therapeutic evaluation of the efficacy of diethyl carbamazine citrate against stephanofilarial dermatitis in cattle
R.B. Rai, S.P.S. Ahlawat, Sugriv Singh
National extension systems in the English-speaking Caribbean: a review of past experiences, recent developments and emerging priorities
J. Seepersad, P.I. Gomes
Effects of nitrogen fertilization and cutting height on forage yield and quality of Maiwa pearl millet
C.K. Oji, P.O. Ugherughe
Presowing treatments of Acacia Senegal seed: germination and growth
R. Alan Black, Farough M. El Hadi
Pollen fertility in manganese-deficient wheat
P.N. Sharma
Botany Department, Lucknow University, Lucknow-226 007, India
V.J. Shivankar, V.S. Kavadia
Combining ability for maturity and agronomic traits in some tropical maize (Zea mays L.) populations
S.O. Ajala
Evaluation of the biological activity of flax as a trap crop against Orobanche parasitism of Vicia faba
Khaled A. Khalaf
Absence of diurnal rhythm of plasma cortisol in Bos indicus (Boran) cattle
Getachew Abebe, Jim Scott, Robert Eley
Effects of altitude and environments on sweet potato yield in Cameroon
J.M. Ngeve, S.K. Hahn, J.C. Bouwkamp
Performance of sheep fed processed poultry excreta as protein supplement
O.A. Ayangbile, S.K. Tallam
Economics of yam flour production: implications for research and development, and promotion of yambased industries in Nigeria
N.O.A. Ezeh
Accuracy of some published feed intake prediction equations for dairy cows in Ghana
J.D. Kabuga
Comparative DRIS and critical concentration interpretation of papaya tissue analysis data
John E. Bowen
Integration of forage legumes into cereal cropping systems in Vertisols of the Ethiopian highlands
Abate Tedla, Tekalign Mamo, Getinet Gebeyehu
Response of rainfed lowland rice to green manuring with Sesbania rostrate
I.J. Manguiat, D.F. Guinto, A.S. Perez, R.M. Pintor
Production and economic evaluation of white Guinea yam (Dioscorea rotundata) minisetts under ridge and bed production systems in a tropical Guinea savanna location, Nigeria
B.A. Kalu, P.O. Erhabor
Effects of grass and dadap mulches on some soil (an Inceptisol) properties and yield of taro (Colocasia esculenta) in Western Samoa
C Stanley Weeraratna, M. Asghar
Utilization of the African giant land snail Archachatina marginata in the humid area of Nigeria
E.A. Agbelusi, B.N. Ejidike
Performance of Spanish peanuts during winter-summer season at two locations in India
N.R. Bhagat, Devi Dayal
Tropical lowland rice response to preceding crops, organic manures and nitrogen fertilizer
O.P. Meelu, R.A. Morris, H.S. Centeno
Sensitivity of Ascochyta rabiei to selected fungicides in vitro
S.K. Sugha, A.S. Kapoor, B.M. Singh