Seed-hawk TOOLBAR 2015 Manuel d'utilisateur télécharger pdf (Page 43)

SEED HAWK

2015 TOOLBAR OPERATOR’S MANUAL38

4.10.1 Loose Soil Conditions

If the soil is too loose before seeding, the nal packed surface will be excessively

below the loose soil that is thrown to the sides. This increases the likelihood of

soil falling, blowing or washing back into the closed and packed furrow. The re-

sult is an altered seed depth. The solution to this is to ensure that the soil is not

too loose before seeding. It may be necessary to pack the soil before seeding.

The Seed Hawk drill will cover adjacent rows if:

• The soil is conventionally tilled leaving it loose.

• Straw and/or chaff is poorly spread, wet or in large clumps.

• Field travel speed is excessive. May affect above listed items.

4.10 Seed Hawk

Packer Tire

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

fertilizer furrows. This leaves the seed ¾ in. (19mm) 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.

Packer Tire

Seed Knife

Fertilizer Knife

Final Packed Surface

Loose Soil and Straw

Original Ground Level

Seed

Fertilizer

Item Dimension Description

X ¾ in. (19mm) Seed Depth

Y ¾ in. (19mm) Seed to Fertilizer Depth

Z 1-½ in. (38mm) Seed to Fertilizer Separation

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 65 66

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Seed-hawk TOOLBAR 2015 Manuel d'utilisateur Page 43