The fight by chemical means is the use of active substances (once defined active) inorganic, organic, natural or synthetic able to:-prodoti protect plants or plant pests from all ( insecticides, acaricides, fungicides, etc.).
-promote or regulate the vital processes (plant growth regulators);
-Store plant products (fisiofarmaci)
-Delete unwanted plants (herbicides).
legislation on plant protection products has been, over time, a continuous and structured development. The main regulations are progressively successive:
- Act No. 283 of April 30, 1962
- Presidential Decree No. 1255 of August 3, 1968
- Presidential Decree No. 128 of March 13, 1986
- DP R. No. 223, May 24, 1988
- DM No. 217, January 25, 1991
- The Leg. No. 194 of March 17, 1995
- DPR Oct. 6 1998 n° 392
- La Circolare 15 aprile 1999 n° 7
- Il D. P. R. 23 aprile 2001 n° 290
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