600 fishermen tapped to solve water hyacinth woes in Laguna Lake por Andrade, Nel B.

Aquatic and reparian weeds of the west por DiTomaso, Joseph M.

Management of aquatic plants por Vermaat, Jan

Integrated management of paddy and aquatic weeds in Asia proceedings of the International Seminar "Biological Control and Integrated Management of Paddy and Aquatic Weeds in Asia"...

Integrated management of paddy and aquatic weeds in Asia proceedings of the International Seminar "Biological Control and Integrated Management of Paddy and Aquatic Weeds in Asia,"...

Table of contents only

Biological control of Salvinia Molesta in Sri Lanka an assessment of costs and benefits. por Doeleman, Jacobus A.

Aquatic weeds of Southeast Asia a systematic account of common Southeast Asian aquatic weeds por Pancho, Juan V.

Aquatic weeds of Southeast Asia a systematic account of common Southeast Asian aquatic weeds por Pancho, Juan V.

Table of contents only

Making aquatic weeds useful some perspectives for developing countries report of an Ad hoc panel of the Advisory Committee on Technology Innovation, Board on Science and Technology...

A comparative investigation of the effects of blue, red and far-red light qualities on the population growth and senescence of lemna minor L. and spirodela polyrhiza (l.) schleid s... por Villafaña, Abel P. 1944-