文章摘要
齐振雄.对虾养殖池塘氮磷收支的实验研究[J].水产学报,1998,22(2):
对虾养殖池塘氮磷收支的实验研究
EXPERIMENTAL STUDIES ON NITROGEN AND PHOSPHORUS BUDGETS OF SHRIMP CULTURE POND
投稿时间:2014-05-06  修订日期:2014-05-06
DOI:
中文关键词: 氮磷收支 对虾养殖 池塘 围隔实验
英文关键词: Nitrogen and phosphorus budgets, Shrimp culture pond, Enlosure experiment
基金项目:
作者单位地址
齐振雄 青岛海洋大学水产学院 青岛海洋大学水产学院
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中文摘要:
      用六个面积25m2,不同对虾放养水平:52000、60000、75200尾/hm2的池塘围隔进行了本实验研究。结果表明:实验中投放的饵料、肥料分别占氮总输入的49.7%~54.5%和47.5%~50.1%;占磷总输入的30.0%~34.7%和65.1%~69.9%。在支出项目中,收获对虾占氮磷总输入百分比分别为9.06%~11.5%和3.02%~3.94%。沉积氮磷量为其主要支出项目,分别占总输入的19.4%~64.6%和21.7%~95.9%。底泥中氮磷的渗漏只占其支出的很小部分,分别占其输入的5.0%和0.5%左右。
英文摘要:
      Nit ro gen a nd phosphorus budget s of shr imp culture pond wer e studied in six enclo sures stocked w ith Penaeus chinensis a t three lev els, i. e, 52 000 ind. / hm2, 60 000 ind. / hm 2 and 75 200 ind. / hm 2 , respect ively. The main results w ere as fo llow s: The largest per centages of N a nd P input w ere feed and fert ilizer, 49. 7% ~ 54. 5% and 47. 5% ~ 50. 1% for N, 30. 0%~ 34. 7% and 65. 1%~ 69. 9% fo r P. Among the items of N and P outputs, the shr imp ha rvest compr ising 9. 06%~ 11. 05% o f total N input and 3. 02% ~ 3. 94% of to ta l P inputs. Uptake by muds r epr esented the majo r lo ss of N and P, comprising 19. 4% ~ 64. 6% of N input and 21. 7% ~ 95. 9% o f P input, w hile the loss thro ugh seepage only compr ising small percentage of the total input s of N and P, i. e, 5. 0% for N and 0. 5% f
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