PREPARATION
Prepare a good, crumbly seedbed that is tilled - 8 inches deep.  Break the clods, but do not overwork the soil to a line powder.  A loose, pebbly soil is receptive to both seed & water.
A good starter fertilizer & lime can be tilled in at this time.
SOWING SEED
Seed can be accurately distributed by either a drop-type or cyclone spreader.  Divide the seed into equal parts, one portion being distributed in one direction & the remaining part applied cross wise over the same area.
SEEDING RATE
The rate of seeding will vary with the type of seed.  Some types contain fewer seed per pound & will need to be sown more heavily.  We recommend a seeding rate of 5 lbs. per 1000 square feet for new lawns & 2.5 lbs. per 1000 square feet for existing lawns.
MULCHING LAWN

The most commonly used mulch is clean straw. "Clean" means relatively free of grain heads & weeds.  A bale of straw usually covers 1,000 square feet.  It should be spread three or four intermeshed straws deep, not piled in smothering mounds.
While newly sown seed sprouts without difficulty if sprinkled frequently, the sure growth comes with mulching.  It protects the soil, retains moisture at the soil surface & around seed, & guards seedlings against extreme weather fluctuations.
WATERING
Perhaps the most important step to a new lawn from seed is regular watering.  If soil is very dry, water deeply before planting. 
The soil surface must be kept moist at all times after planting. 
Young seedlings can die within hours if deprived of moisture.
Use a sprinkler that applies water slowly & gently as possible. 
Run sprinkler until puddles begin to form.  Shut off sprinkler until puddles soak in, then run sprinkler again until watering is complete.
WEEDS
Weeds are so thoroughly removed in seed cleaning that few troublesome ones are ever packaged.  The weeds typically harvested are almost always field species that stand little chance of survival in mowed turf.  Thousands of residual weed seed are present in all soils & can be expected to emerge along with the new turfgrass seedlings.  Most of these can be eliminated later once the new lawn is mature enough to tolerate a weed & feed product.
MOWING
Begin mowing when new turn reaches 2-1/2" to 3".  Since young seedlings are not deeply rooted, be certain that the mower blade is sharp to avoid pulling them up.  If straw has been used, avoid the temptation to rake it up too soon.  This should be left in place until all the seed in the mixture has had a chance to germinate & establish.

Later on, frequent higher (2" to 2-1/4") mowing is recommended.  With almost all grasses, high clipping results in deeper root growth than low clipping.  Greater root growth lessens the care needed by a lawn - shallowly rooted grasses dry & succumb to drought more readily.  Tall grass is a better insulator of the soil & a higher mowed turf is its own best weed control.

When over a third of the green leaf surface is cut away at one time, root growth slows or stops.  Tests on Kentucky Bluegrass indicated that root growth can be inhibited for as much as a month by a single scalping.  If the lawn has inadvertently become excessively long, it is better to reduce cutting height gradually in a series of mowing, than to cut all back at once.



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