Seed-hawk TOOLBAR 2008 Manuel d'utilisateur télécharger pdf (Page 48)

OPERATION

SEED HAWK PACKER TIRE

FIG. 21

1 Packer tire

2 Fertilizer knife

3 Seed knife

4 Fertilizer

5 Seed

6 Original ground level

7 Final packed surface

8 Loose soil and straw

0.75 in (19 mm)

X 1.50 in (38 mm)

The packer tire bulges slightly to provide uniform packing over the seed and

fertilizer furrows. This leaves the seed 0.75 in (19 mm) below the curved path

left by the packer wheel. The seed is placed in an ideal environment: moisture

will be channeled into the path of the packer tire; fertilizer is placed in the

optimum position for seed growth; and the seed knives leave a dark strip, which

warms more quickly than the surrounding residue covered soil.

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Seed-hawk TOOLBAR 2008 Manuel d'utilisateur Page 48