CONTENTS

Insect Pests Associated with Winged Bean in Ghana

Kwame Afreh-Nuamah

Resource Productivity Estimates on Lowland Rice Farms in Baybay, Leyte

Pedro T. Armenia

Cultural Management Studies on Upland Taro: Effects of Cultivation Systems on Growth and Yield of Taro and Incidence of Associated Weeds

J.R. Pardales, Jr and F.G. Villamayor, Jr

Genetic Variability in Clonal Populations of Java Citronella Cymbopogon winterianus Jowitt

K.K.Singh and N.K. Gupta

Factors Affecting Household Demand for Sweet Potato in Two Regions of the Philippines

Jose M. Alkuino, Jr

Effect of Methods of Placement and Rate of Leucaena Leaves Application of Taro

Joselito A. Payot, Sergio E. Abit and Luvimin A. Evangelio

Prenda System in a Philippine Agricultural Community

Antonia Cecilia Y. Sandoval