This part of GB/T 20014 specifies the requirements for good agricultural practices for the production of field crops. This part applies to the conformity determination of the basic requirements of good agricultural practices for field crop production.
GB/T 20014.4-2008 history
2013GB/T 20014.4-2013 Good agricultural practice.Part 4:Combinable crops control points and compliance criteria
2008GB/T 20014.4-2008 Good agricultural practice.Part 4: Combinable crops control points and compliance criteria
2005GB/T 20014.4-2005 Good agricultural practice.Part 4:Combinable crops control points and compliance criteria