Volume 9 No. 1 January – March 1987

Jose M. Alkuino, Jr. ABSTRACT The study attempted to identify the kinds of secondary food crops consumed by households when the normally consumed staple food is scarce or when such households experience an income squeeze. One thousand two hundred households in the Visayas region were included in the survey. The respondents were divided into high- …

Consumption of Secondary Food Crops by Low-and High-Income Households Read More »

Bernardita C. Pilapil ABSTRACT The tropical meiofauna communities of a muddy and a sandy portion in Shut Bay, Liloan, Central Philippines were compared. The sandy substrate supports a more varied meiofauna community than the muddy substrate although faunal composition between the two substrate types differs only slightly. Ten meiofauna groups (Copepoda, Bivalvia, Nematoda, Gastrotricha, Ostracoda, …

Comparative Composition, Abundance and Dominants of Meiofauna Between a Muddy and a Sandy Substrate in Silut Bay, Cental Philippines Read More »

G. L. Amora , R. G. Escalada and B. F. Quirol ABSTRACT Lime application did not affect the period from planting to seedling emergence, tasseling, and maturity; number of leaves at tasseling; plant height at maturity; and the number and weight of ears per plant and weight of 1000 grains. However, application of 3.3, 11.6 …

Effects of Lime on the Growth and Yield of Corn in Maasin City Read More »

Rodolfo A. Paningbatan ABSTRACT Sweet potato stem agar and exposure to continuous darkness supported the most abundant conidial production of Sphaceloma batatas. Saw. Sweet potato stem agar produced 19 times more conidia than sweet potato tuber agar and almost 3 times more conidia than potato dextrose agar. Sporulation in carrot agar peaked at 12-15 days …

Infectivity and in vitro Production of Sweet Potato Scab Fungus (Sphaceloma batatas Saw.) Inoculum Read More »

Truong Van Den and Melimer E. Marquez ABSTRACT The study aimed to develop an appropriate small-scale technique of producing sparkling clear vinegar from coconut water. Results indicate that (1) at least 8% w/v alcohol solution is required to produce the standard vinegar with 4% w/v acetic acid by the traditional method, and (2) the alcohol …

Handling of Coconut Water and Clarification of Coco-Vinegar for Small-Scale Production Read More »

Alice R. M. Acabal and William G. Padolina ABSTRACT Ethyl fatty alkyl ethers were synthesized using coconut fatty alcohols as the starting raw materials. The fatty alcohols were converted into their corresponding bromides which were then made to react with ethanolic potassium hydroxide. The average percent yield of ethyl fatty alkyl ethers was 74.30%. The …

Synthesis of Ethyl Fatty Alkyl Ethers from Coconut (Cocos nucifera L.) Fatty Alcohols Read More »