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Articles by M.A. Mannan
Total Records ( 5 ) for M.A. Mannan
  M.H. Rashid , S.C. Samanta , P. Biswas , M.A. Mannan and A.K.M.M. Zaman
  An investigation was made to evaluate the performance of different wheat genotypes under late sown conditions (sowing date: December 15 and December 30) during 1999-2000. Grain yield (1.62 t ha-1) obtained from December 15 sowing were significantly higher than that of December 30 sowing (0.98 t ha-1). Different genotypes showed no significant variation in respect of grain yield. The interaction effect showed that plant height, ear length, no. of grains/ear and straw yield were significantly better in December 15 sowing than December 30 sowing while no. of effective tillers/plant and grain yield were not significantly influenced by date of sowing.
  M.Y. Ali , G.M. Salim , M.A. Mannan , M.M. Rahman , W. Sabbir and A. Murshida
  An investigation was carried out on the fish species availability in the fish landing centers of Khulna district. Almost all major fish landing centers in this area were surveyed. A total of 139 inland and marine water fish and crustacean species were observed. Out of 139, 126 species belonged to fin fish and the rest 13 species to crustacean. Amongst the fin fish species, 53 were fresh water, 23 were brackish water, 11 exotic and 39 marine water species. Twenty two fish species were found both as inland and marine water species. Nineteen species were detected endangered (Ompok pabda, Hilsa toil, Puntius sarana, Notopterus chitala, Mustus aor, Rita rita, Nandus nandus, Eutroeiichthys vacha, Notopterus notopterus, Wallago attu, Channa marulius, Labeo bata, Pangus pangus, Bagarius bagarius, Rasbora rasbora, Puntius ticto, Rohtee cotio, Labeo calbasu and Chanda nama). In summer, 30 species and in winter, 43 species were more available and the rest of the species were found all the year round. On the basis of abundance, Carp species, Lates calcarifer, Pelamys chiliensis, Trichiurus haumela, Katengus typus, Penaeus monodon and Scylla serrata were recorded most abundant, respectively.
  Rabbani M.G. , M.I. Hossain , M.S. Islam , T.M.B. Hossain and M.A. Mannan
  Cobb-Douglas production function has been used to measure the effect of various factors on alternate rice-fish production. The chosen factors were of fingerlings cost, cost of cow dung, cost of rice bran, cost of oil cake, cost of lime, cost of urea cost of human labour and cost of netting for fish production and for rice production the factors were human labour, animal labour. Cow dung, urea, TSP, MP, seed and irrigation cost. It was found that except cost of rice bran and lime for fish production all the factors were statistically significant and for the rice production animal labour, TSP and irrigation cost were the insignificant.
  Purnendu Gain , M.A. Mannan , P.S. Pal , M. Maheb Hossain and S. Parvin
  An experiment was conducted at the green house laboratory of Khulna University, Khulna with a variety of rice BR11, to study the effect of different levels of salinity on some yield attributes of rice. The experiment was conducted with different salinity level e.g., 0, 7.81, 15.62, 23.43 and 31.25 dS m-1. Plant height, number of tillers and the biomass of the plant were recorded. The height of the plant was decreased gradually with increased levels of salinity, but the effect was insignificant from 7.81 dS m-1 salinity level i.e. below this level plant height was not decreased. The tiller number of plants was decreased significantly at 15.62 dS m-1 of salinity level. It was also observed that the biomass of plant decreased significantly from 7.81 dS m-1 level of salinity. The rice variety BR11 could be selected for the cultivation in coastal saline area as it can tolerate salinity at a higher level without significantly decreasing productivity.
  M. Shalim Uddin , M.J. Rahman , M.A. Mannan , S.A. Begum , A.F.M.F. Rahman and M.R. Uddin
  Sixty-two useful plant species were identified during the study period. Among them 30.9% fruits, 29.09% timber, 34.54% vegetables and 5.45% were spices species. Number of vegetable species was found the highest (19 spp.) followed by fruit (17 spp.), timber (16 spp.) and spices (3 spp.). Only 17 fruit, 13 timber, 17 vegetable and 2 spices species were found in all region. Coconut, country bean, Karai and chilli were found the most prevalent. Inter species diversity was highest (0.879) in the vegetable species. Coconut was found 98.63% in homestead followed by mango (96.72%), banana (91.6%) and betel nut (93.44%).
 
 
 
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