Volume 76 Number 1

Table of Contents

Research Papers

Development and performance of a model of a perennial grass (Andropogon gayanus) crop. Application to the Sahel and Sudan zones. (01)
S. Bonachela, H.F.M. ten Berge
Cultivation potential of two edible ferns, Diplazium esculentum and Stenochlaena palustris. (10)
Ole Mertz
Estimating the USLE-soil erodibility factor in developing tropical countries. (17)
Matthew K. Mulengera, Robert W. Payton
Development and evaluation of a new soil erosion productivity index model (SEPIM). (23)
Matthew K. Mulengera, Robert W. Payton
Chemical composition of saturation paste extracts of a Fijian Oxisol after liming and repeated wetting and drying. (29)
R. Naidu, R.J. Haynes
Elimination of phytoplasmas as causal agents of macadamia decline and non-ripening of papaya. (36)
Wayne B. Borth, Diane E. Ullman, Vincent P. Jones, Francis Zee, John S. Hu
Temporal and spatial epidemic development of groundnut rust (Puccinia arachidis Speg.) as a function of altered date of sowing. (45)
Srikanta Das, S.K. Raj, C. Sen
Grain yield and yield components of single, double, and synthetic maize lines grown at four N levels in three ecological zones of West Africa. (51)
H.A. Akintoye, E.O. Lucas, J.G. Kling
The status of certain trace minerals and sulphur of some tropical grasses in Trinidad. (57)
F.G. Youssef, L.R. McDowell, R.A.I. Brathwaite

Research Notes

Tillage practice effects on yield of maize under smallholder cropping in Malawi. (63)
S.A. Materechera
Effect of plant regulators on flower shedding and yield attributes of Cajanus cajan L. cultivars. (66)
I. Singh, A.S. Nandwal, S. Bharti, J. Singh
Influence of pre-harvest application of calcium and alar on post-harvest changes in cv. ‘Sardar’ guava fruits. (70)
R. Chandra, P.N. Gupta, C.B.S. Rajput
Effect of environmental temperature on growth performance and nutrient utilization in growing guineakeets (Numida meleagris). (74)
A.B. Mandal, G.S. Bisht, Harpreet Singh, N.N. Pathak
Comparative performance of guineakeets (Numida meleagris) reared in battery brooders or on deep litter. (78)
A.B. Mandal, G.S. Bisht, Harpreet Singh, N.N. Pathak