มอก. 1236-2537

Scope (English)

Classifies seeders into 2 types, i.e. seeders fitted to walking tractors, and seeders fitted to tractors. Specifies dimensions, requirements for hopper, seed metering device, furrow opener, seeder. Prescribes accuracy of metering device for seeds, broken seeds. sprouting after seeding, variation between rows (when seeding more than one row). Describes performance on slope area, durability, field working. Includes marking, labelling, sampling and criteria for conformity, testing.