STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND
ABDEL-MAKSOUD, S., HAFEZ, F., EL-SHAZLY, M., SHEMEIS, N. (2001). STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND. EKB Journal Management System, 79(4), 1643-1656. doi: 10.21608/ejar.2001.321338
SALAH E. ABDEL-MAKSOUD; FATMA A. HAFEZ; MAHMOUD A. EL-SHAZLY; NAEM M. E. SHEMEIS. "STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND". EKB Journal Management System, 79, 4, 2001, 1643-1656. doi: 10.21608/ejar.2001.321338
ABDEL-MAKSOUD, S., HAFEZ, F., EL-SHAZLY, M., SHEMEIS, N. (2001). 'STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND', EKB Journal Management System, 79(4), pp. 1643-1656. doi: 10.21608/ejar.2001.321338
ABDEL-MAKSOUD, S., HAFEZ, F., EL-SHAZLY, M., SHEMEIS, N. STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND. EKB Journal Management System, 2001; 79(4): 1643-1656. doi: 10.21608/ejar.2001.321338

STUDY ON USING DIFFERENT TECHNIQUES FORB WEEDS CONTROL IN FISH POND

Egyptian Journal of Agricultural Research
Article 28, Volume 79, Issue 4, October 2001, Page 1643-1656  XML PDF (3.26 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2001.321338
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Authors
SALAH E. ABDEL-MAKSOUD1; FATMA A. HAFEZ2; MAHMOUD A. EL-SHAZLY1; NAEM M. E. SHEMEIS2
1Faculty of Agriculture, Zagazig University, Egypt
2Central Laboratory for Aquaculture Research at Abbassa, Agricultural Research Centre, Giza, Egypt
Abstract
This study was conducted during a culture season. 1995 in thirty fresh water earthen ponds having different areas; seven and hall. one and half feddan in fish ponds of Central Laboratory for Aquaculture Re­search. Abbassa. Abou4iammad. Shackia, Agricultural Research Centre. Natural feeding was established by applying chicken manure and superphosphate and urea. Commercial pelleted fish feed 25% elude pro­tein was also applied as Supplemental feed. Fish species under experi­mentation wore Wahl& Oteochromis niloticua, common carp. Cyptinus carpi°, silver carp. Hypophthermichthys motitnZ, and grass carp. Cete­nopfaryngodon idea. All species were stocked under a good care in a polycullure system with number 01 1500. 72 and 150 for tilapia, com­mon carp and silver carp, respectively. Twelve fingerlings from grass carp wore added for the three treatments (biological only, biological + mechanical and manual). Water quality was examined every two weeks. Three plants were tested (Cattail - Paragross and Coontail) for control. Mechanical control was carried out by using American grass cutting ma­chine (Hockney model He-10H). Manual control was done by using hand stickle. Biological control was applied.by using grass carp fish. At the end Of the growing season in December 1995, ponds were drained and fish were collected by seining. Total fish production was determined. Results indicated that increase pond area improved the machine performance. Increasing the moisture percentages led to high machine performance. It can be concluded that water depth of 100 cm improves the machine performance in controlling the three kinds of weeds. Results obtained showed that pond conditions were 2% lifted weeds, free and 4% lilted weeds communities in the ponds at the end of the experiment fOr biological + mechanical, manual a biological and bio­logical control, respectively. Total fish production was highest for manual + biological control. Net return was highest under mechanical biological method.
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