IS 7640 : 1975 Test code for disc harrows

1 Scope

1.1 This standard prescribes the method for testing of discharrows.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 460 :1962Specification of test sieves

IS 3606 :1972Specification for disc harrow, animal drawn

IS 4366 : Part I :1972 Specification for agricultural tillagediscs:Part I Concave type

IS 6635 :1972Specification for tractor operated disc harrows