G. Umali

发表

Soil nitrogen and fertilizer recommendations for irrigated rice in the Philippines

H. Neue, Joyotee Smith, G. Umali, 1987 .

An Economic Analysis of Targeting Soil Conservation Measures with Respect to Off-site Water Quality

T. Dickinson, G. Fox, G. Umali, 1995 .

Effect of postmanufacturing processing and shipping of luteinizing hormone releasing hormone analog on induced ovulation for production of channel catfish female × blue catfish male hybrid fry.

R. Dunham, A. Kristanto, G. Umali, 2009 .

Comparison of Production Traits of NWAC103 Channel Catfish, NWAC103 Channel Catfish × Blue Catfish Hybrids, Kansas Select 21 Channel Catfish, and Blue Catfish Grown at Commercial Densities and Exposed to Natural Bacterial Epizootics

R. Dunham, A. Kristanto, G. Umali, 2008 .

Production Risk and Optimal Fertilizer Rates: A Random Coefficient Model

Joyotee Smith, G. Umali, 1985 .

Valuing recreational and conservation benefits of coral reefs—The case of Bolinao, Philippines

Mahfuzuddin Ahmed, Chiew Kieok Chong, G. Umali, 2007 .

Microsatellite variation among domesticated populations of channel catfish (Ictalurus punctatus) and blue catfish (I. furcatus).

Zhanjiang Liu, J. Ballenger, H. Kucuktas, 2008 .

Risk and nitrogen use on rainfed rice: Bicol, Philippines

M. Rosegrant, Joyotee Smith, A. Mandac, 1989, Fertilizer research.

FERTILISER RECOMMENDATIONS BASED ON SOIL NITROGEN LEVELS: A TOTAL NUTRIENT MODEL

Joyotee Smith, G. Umali, 1984 .

Production risk and optimal fertilizer rates : an application of the Random Coefficient Model

G. Umali, J. Smith, 1985 .