Abstract:
The exDeriments show that eco-fishery pattern of fish-rice-reed-cattail in soda saline-alkaline land of northeast China has a significant benefit.The average yields of rice grain,reed and cattail are 6024.2kg/hm
2,8336.2kg/hm
2and 7387.6kg/hm
2,respectively,and the average fish yields are 912.1kg/hm
2 ,3537kg/hm
2and 2766kg/hm
2 in paddy fields,reed ponds and cattail ponds,respectively.The average net income is 5667.1 yuan(RMB)/hm
2 and the ratio ofoutput and input is 2.074 in the experimc ntal area.19000m
3/hm
2 of water and 290kg/hm
2 of chemical fertilizer can be sayeel,respec-tively,and the total amount of the salinity of 507kg/hm
2 has been cut down at a growth period.