29 3. Floating aquatic macrophytes – duckweeds Duckweeds are small (1-15 cm) free-floating aquatic plants with worldwide distribution. They are monocotyledons belonging…
FAO Fisheries & Aquaculture Labeo rohita 14/06/12 4:09 AM Food and Agriculture Organization of the United Nations for a world without hunger Fisheries and Aquaculture…
ISSN 2070 -7010 FAO FISHERIES AND AQUACULTURE TECHNICAL PAPER 540 Feed ingredients and fertilizers for farmed aquatic animals Sources and composition Cover photographs: Left…