Screening of basidiomycetous mycelial isolates as compost inoculant. One practical way to dispose wastes is thru bio-conversion into composts using basidiomycetous fungi which degrade the wastes into simpler compounds and bring back the nutrients to…
Selected Plants Extracts as Control Agents of Braconid sp. Corcyra cephalonica Stn. is used as a fastidious host in the production of Trichogramma sp. It is a stored grain pest with the common name rice…
Heavy metal contamination is one of the problems encountered by industrialized countries due to its harmful implications. At present, biosorption, a biological method in removing heavy metal ions, is deemed as an inexpensive and effective…
Sea urchins are common in Philippine marine waters. The gonads (roe) of the sea urchin are considered a delicacy in different parts of the world. After the gonads are obtained, the other parts are considered…
A conducting polymer was synthesized from polypyrolle doped with paratoluenesulfonate (p-TS) using electrochemical deposition technique to find a substitute for metal electrodes in EMF sources. Samples were produced with varying p-TS molarity, specifically 0.1, 0.15,…
PC based water level control system using soundcard as analog to digital converter. Water level controllers ensure that appropriate amounts of water or fluids are dispensable or maintained in various agricultural and industrial applications. However,…
Techniques to manipulate the ripening of fruits transported from the farmland to the market are varied but they are either complicated or expensive. For small farmers and even fruit vendors, the use of chemical agents…
Insecticidal Effect of Yellow Oleander (Thevetia peruviana) Fruit Extract on Rice Bugs (Leptocorisa oratorius). According to the Department of Agriculture Reference Manual (1998), 14% loss of rice is due to rice bugs infestation. A survey…
Insecticidal Property of Acacia (Samanea saman) Seeds and Bark Against Termites (Coptotermes vastator). A study on the insecticidal property of Acacia seeds and bark against termites was conducted to find out if these could be…
Elastomeric Grating for Wavelength Switching in Optical Communication Systems. A diffraction grating was fabricated from an elastic polymer. It was patterned after a plane reflection grating with a pitch of 1,200 lines/mm. It was characterized…