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Install subsurface drainage and irrigation systems before final grading and smoothing.
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7.
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Redistribute the topsoil.
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Topsoil should be free of troublesome weeds, including johnsongrass, thistle, etc., and should contain no stones, roots, trash or extraneous materials larger than 1 1/2 inches in diameter.
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If suitable topsoil is not available on site, the existing soil may be modified.
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Soil aeration and water drainage can be improved when proper amounts of coarse sand or loamy topsoil are incorporated into clay soils.
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Mix 4 to 6 inches of sand or topsoil with the upper 2 to 4 inches of underlying soil.
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If topsoil lacks organic matter, additives such as mature compost, well-rotted sawdust or decomposed manure may be mixed with soil.
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Determine pH, phosphorus and potassium levels in the soil by sampling after mixing sand, topsoil or organic materials.
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8.
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Uniformly apply nitrogen, phosphorus, potassium and lime according to soil test recommendations.
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A general guideline for fertilizing a planting bed in lieu of a soil test is to apply 25 pounds of 6-12-12 fertilizer or equivalent per 1,000 square feet.
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9.
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Till the soil to a depth of 6 or more inches, thoroughly mixing lime and fertilizer with soil.
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10.
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Fine grade to smooth the soil surface before planting.
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Hand raking is preferred for small areas.
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A heavy steel drag mat, plank drag or tiller rake is effective on larger areas.
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11.
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If the soil is dry, water the planting bed to a depth of 5 or 6 inches several days before planting.
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12.
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Allow at least one week for settling of the soil before planting.
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The planting bed should be firm enough to walk in, with the upper 1/2 inch of soil loosened.
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If footprints are deeper than 1 inch, rolling or further watering is recommended.
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Seed the fescues in late summer just before most favorable climatic conditions.
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Cool temperatures and moist soils during late summer, fall and early spring promote plant growth.
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Fescues may also be seeded in early spring; however, spring plantings often result in greater susceptibility to heat and drought stresses.
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Young fescue plants with limited root systems often do not survive the summer heat and dry conditions.
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The recommended planting rate for establishing a tall fescue lawn from seed is from 5 to 8 pounds per 1,000 sq.
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ft.
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Plant chewings, hard or red fescues at a rate of 3 to 5 pounds of seed per 1,000 sq.
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ft.
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For best results, purchase high quality seed.
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Tall fescue seed germination should be at least 85 percent; seed purity, 95 percent.
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The minimum acceptable seed germination and purity of the fine fescues is 80 percent and 95 percent, respectively.
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For more information regarding seed and the seed label, please refer to Extension PB1350,
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Straw is an effective mulch when uniformly
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broadcast over a seedbed after planting.
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Eighty to 100 pounds of clean mulching straw per 1,000 square feet usually protects the newly seeded lawn from seed washing and erosion.
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Straw also conserves moisture and buffers emerging fescue seedlings from temperature extremes.
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Spread the straw as evenly as possible to prevent layering, which can limit the amount of light reaching the young fescue plants.
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When high-quality fescue sod is properly transplanted, it stabilizes soils and provides "instant" beautification.
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Although sodding in September, October and March is preferred, fescue sod may be transplanted almost any time of the year.
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Harvesting, installing and caring for fescue sod in mid-summer is especially challenging due, in part, to the potential damage from high temperatures, drought and disease activity.
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Several weeks or months may be required before the newly-installed fescues root into the soil below and are capable of withstanding foot traffic.
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Fescue sod produced and marketed in Tennessee is often harvested in 16-inch by 24-inch pieces with 5/8 inch of soil.
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Biodegradable netting, which improves the tensile strength and speeds harvest of the fescue sod, may be located near the soil surface.
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One pallet containing about 50 square yards of fescue sod may weigh more than 2,000 pounds.
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Transplant the first pieces of sod in a straight line along a driveway or sidewalk.
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Work should progress toward the center of the lawn.
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Place the pieces of sod in a pattern similar to bricks in a wall.
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This will minimize the formation of long, straight lines and reduce the risk of dehydration of plants located near the edges.
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Although they should fit together tightly, sod pieces should not be stretched or overlapped.
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Figure 3.
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Install sod in a pattern similar to bricks in a wall.
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Begin irrigating the newly planted lawn area immediately after seeding or sodding.
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Water frequently to maintain adequate moisture in the upper 1 to 2 inches of soil.
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Apply water slowly to prevent seed movement and runoff.
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After seedlings are well developed or the sod is well rooted, discontinue the practice of light, daily irrigations.
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Apply more water less often to encourage deep rooting.
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Mow the lawn when the tallest plants reach a height about 1 1/3 times the intended cutting height.
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For example, if the cutting height is 2 inches, mow the lawn when the tallest plants reach a height of 2 2/3 inches.
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Short grass clippings may be returned to the soil surface to provide nutrients and contribute organic matter to the soil.
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Keep mower blades sharp.
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Fescue seedlings may be easily torn or lifted from the soil by a dull mower blade.
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Mowing, fertilization and irrigation are very important considerations when developing an effective lawn care plan.
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For example, fescues perform best when they are mowed often at an appropriate cutting height.
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Fertilizer applications can be timed to support active plant growth during favorable weather conditions.
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The lawn can be watered to maintain active growth and to preserve the root system of fescues during extended periods of drought.
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For best results, keep the mower blade sharp and mow when the lawn is dry.
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Set the cutting height of the mower within the optimum range for the fescue being maintained.
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The optimum cutting height range for tall fescue varieties is usually from 2 to 3 inches; the fine fescues, from 1 1/2 to 2 1/2 inches.
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To determine the mechanically set cutting height , place the mower on a firm, level surface and measure the distance from the surface to the cutting edge of the blade.
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The effective cutting height is the actual height of aerial shoots immediately after mowing.
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The effective cutting height may be slightly higher than the bench setting when the soil is firm and the mower wheels ride on lawngrass shoots above the soil
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surface.
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If the soil is soft or moist, the effective cutting height may be equal to or lower than the bench setting.
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Raising the height of cut within the optimum cutting height range before extended periods of drought or high and low temperature stresses can be very beneficial.
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Increasing the cutting height may promote deep rooting.
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The additional vegetation may also insulate the soil against high and low temperature extremes.
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Remove no more than one-third of the leaf tissue when mowing.
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Scalping lawngrass plants back to their original height results in a weak and weedy lawn.
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If the lawn grows too tall between mowings, gradually lower the cutting height over a period of two or three mowings.
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Mowing patterns result from back-and-forth travel while mowing the lawn.
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Try to alternate the mowing direction each time the lawn is mowed to distribute wear and soil compaction.
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This may also encourage the fescues to grow upright.
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Return small grass clippings to the lawn when mowing.
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Small pieces of leaf tissue decompose naturally, recycling essential nutrients.
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New mulching mowers and mower accessories are available to help evenly spread small clippings over the lawn.
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Conventional sideor rear-discharge mowers may also be used to cycle clippings if the lawn is dry and no more than one-third of the aerial portion of the plants is removed when mowing.
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For more information regarding clipping cycling, please refer to Extension PB1455, Lawn Care to Reduce Landscape Waste.
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Figure 4.
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New mulching mowers and mower accessories are available from some manufacturers to help evenly spread small clippings over the lawn.
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Air and water supply the fescues with carbon, hydrogen and oxygen.
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The soil provides 13
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essential mineral nutrients.
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In Tennessee, soils usually contain adequate amounts of secondary nutrients and micronutrients.
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They seldom contain enough nitrogen to meet the needs of fescues.
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Sometimes, additional phosphorus and potassium may also be required.
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A fertilization program seldom delivers the desired results if the soil pH is not within the optimum range for plant growth.
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