How to choose the walking tractor speed

Walking tractor speed in agricultural operations should be based on soil type, surface conditions, soil moisture, walking tractor power and other factors to determine the appropriate agronomic requirements to ensure the quality of work and productivity.
First, walking tractor plowing and ILS-220 type one-way plow supporting the use of dual, walking tractor speed should use 2,3 block.
Second, the cultivator walking tractor with rotary tiller supporting the use of dryland job walking tractor speed should choose 1,2 gear, rotary knife speed of 188 rpm per minute; paddy job walking tractor speed should choose 2,3 gear, rotary knife speed of 240 revolutions per minute.
Three, planting when soil moisture is lower than 20%, the use of walking tractormatched with 2BG - 6A type drilling machine, tractor speed should be selected 2, 3 block; when the soil water content is greater than 30%, the walking speed should be selected 2 block; in general, the walking speed should be selected 1, 2 block.
Four, trenching walking tractor and IKSQ (H) - supporting the use of 35A type disc ditcher, when the soft soil, planting depth is shallow, the walking speed should be selected 2 block. In other cases, all use 1 block.
Five, walking and running IKMP 2 cotton seedling transplanting operation is matched, walking tractor speed should be selected 2 block.
Six, harvest the walking tractor and 4GL 130 harvester, when the ground flat, low soil water content, crop growth, weed density of normal and no lodging, walking tractor speed should be selected 4 block. The other is the 3 block.
Seven, to cover the seed tractor and IG matching 120 cover machine, tractorspeed should be selected 2, 3, 4.
Eight, rice Hirata walking tractor and M - 74 type flatting machine supporting the use of walking speed, should choose 3, 4 block.
Nine, walking tractor speed of straw general election 1, block 2, block 1, the actual production.