Algae layer can be removed by —

এই অধ্যায়ের আরও প্রশ্ন

• C-07-Q099Green algae can be biologically controlled by releasing —
• C-07-Q100Red layer on water is caused by —
• C-07-Q101Red layer causes —
• C-07-Q102To remove red layer, copper sulphate is used at —
• C-07-Q103Small packets of copper sulphate are placed at what depth in the pond?
• C-07-Q104Turbid water can be caused by —
• C-07-Q105Turbid water also occurs due to —
• C-07-Q106Turbid water harms the fish because —
• C-07-Q107Lime dose for turbid water remedy is —
• C-07-Q108Copper sulphate dose for turbid water is —