effects of different levels of limning at morning on water quality of cultured carp ponds

[ ' d u r i n g t h i s s t u d y ' , ' t h e e f f e c t o f m o r n i n g l i m i n g o n w a t e r q u a l i t y o f c u l t u r e d c a r p s i n d i k j e h a r e a o f g o n b a d w a s i n v e s t i g a t e d . n i n e p o n d s ( 3 h e c t a r s ) w e r e c h o s e n a n d d i v i d e d t o 3 t r e a t m e n t s i n c l u d i n g ; ( 1 ' , ' l i m i n g 7 5 0 m g / l ' , 2 , ' l i m i n g 1 2 5 0 m g / l a n d 3 ' , ' l i m i n g 1 7 5 0 m g / l ) . l i m n i n g w a s d o n e a t 7 a n d 8 o c l o c k i n t h e m o r n i n g a n d w e e k l y . i n d e f i n i t e i n t e r v a l s ' , ' s a m p l i n g f r o m w a t e r w a s d o n e a n d p h y s i c o c h e m i c a l c o n d i t i o n s o f w a t e r w e r e i n v e s t i g a t e d . a c c o r d i n g t o o u r r e s u l t s ' , ' l i m i n g h a d s i g n i f i c a n t e f f e c t o n h a r d n e s s ( p ' ]