CONTENTS

Effects of Land Preparation and Postplanting Tillage on Weed Control and Cassava Yield

Federico G. Villamayor, Jr. and Veronica L. Reoma

Effect of Delayed Processing on Alcohol Yield of Fresh Root Crops

Edgardo E. Tulin and Emma S. Data

Effects of Decamethrin and Permethrin on the Biology of Two Coccinelid Predatos of Black Bean Aphids

Erlinda A. Vasquez, Emiliana N. Bernardo and Lorenza B. de Pedro

Factors Affecting the Rate of Fusarium Rot Development in Harvested Tomato Fruits

Crisanta E. Sajise

Mathematical Models for Predicting Kiln-Drying Time and Modifying Kiln Schedules for Some Philippin Hardwoord Species

A.P. Bangi, E.D Bello and G. Bramhall

Note: Effect of Sett Type on the Performance of Tugui [Dioscorea esculenta (Lour) Burk.]

Alfredo G. Dingal, Nestor L. Pido and Daniel G. Ecleo