We railed off our paddyfield from the railroad.
The residue and degradation dynamic of 4% cartap in rice plant, rice, rice hull, paddyfield water and paddyfield soil was studied.
Theresults showed that raising ducks in paddyfield mainly reduced the methane emission at fully tillering stage, which was usually the climax period of the emission.
Based on the mutualistic symbiosis relationship of rice and duck, jointed with no-tillage technique, the new no-tillage system of raising duck in paddyfield was formed.
The result indicate that use biologic pesticide which name is Junsushaxing to prevent the piricularia leaf spot of rice in Panjin paddyfield;
If deltamethrin be used with prescript dose in paddyfield, it will have no harmful effect on fish breeding in paddy field and nearby fish pond, but will be more harmful to shrimp.
