A 14-foot trailed type combined grain sowing with a spacing of 15 cm between the feet.
m2 with machine
427 seeds are planted in . The purity of the seed used is 92%, germination
strength 96%, thousand grain weight 45 g, seed volume weight 760 kg m-3
, which moves the machine
wheel size 7.5-16 and feedrate 2 m s
-one'
is Medium-heavy soil with this seed drill
conditions, sowing depth is 4 cm and the volume weight is sown.
980 kg m-3
TSP fertilizer is thrown into the field. The volume of the seed and fertilizer box is equal, and each
one 280 dm3
'Stop. In addition, the seed drill has a single disc burying foot.
a. Make the laboratory setting of the machine (5p).
b. Find the wheel speed during adjustment (5p).
NS. Find business success (5 p).
D. Since the front wheel track width of the sowing tractor is 150 cm, the seeding machine must be
Calculate the length of the marker for the right and left turns relative to the planter foot (5p).
to. Since there is 11% slip on the moving wheel, find the sowing norm (5p).
f. Check the laboratory setting for a field length of 75 m (5p).
g. Find the tractor drawbar power (30 p)