Experiment on high yield of intensively farming carps in the pond on the low-lying saline-alkali land.

alevines aliment pour animaux alimentation des poissons calidad del agua carp carpa carpe control de enfermedades cost benefit analysis disease control feeds fish culture fish feeding fish larvae fish ponds granulos comprimidos larve de poisson pellet pellets piensos piscicultura pisciculture rendement rendimiento saline sodic soils sol salin sodique water quality yields