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Getting Your Lawn In Gear For FallAfter one of the hottest, wettest summers on record, lawns need some TLC(HIT) - It’s a common sight across the country—brown patches on lawns. Despite homeowners’ best attempts to keep lawns lush and green, the summer of 2011 was difficult even for seasoned lawn care pros.
Summer puts stress on lawns in most parts of the country. It’s important to follow correct mowing, water and fertilization practices to keep lawns green and healthy. Be sure to monitor the lawn for disease development and insect infestation. “When temperatures exceed 80 degrees for over a month straight, as it did in July, cool season grasses just can’t cope,” says Enger. “Worse yet, during the same period of time, many areas across the country experienced record rainfall and elevated humidity levels which led to increased disease activity. When heat, humidity and excessive moisture levels are added together, it often leads to an increase in disease activity. Diseases such as Brown Patch and Dollar Spot, normally only seen on golf courses or on lawns in the southern part of the country, were, and continue to be, a common occurrence. As the weather cools, lawns will begin to recover on their own. However, with a little work, damaged lawns can mend more quickly. Here are some tips from Enger on the best way to revive a damaged lawn: Aerate Away: One of the best ways to revive an existing lawn is to first core aerate the lawn. Your lawn care professional will use a machine to remove plugs of soil and thatch and deposit them back on top of the lawn to allow for more air, water and nutrients to penetrate into the root zone to help develop a stronger root system. The cores that are left behind will dissolve back into the lawn and help breakdown any thatch that has developed. For maximum effectiveness, the lawn should have adequate moisture to allow the aeration machine to penetrate the soil more easily. Seed, Seed and More Seed: For the best results, invest in a good quality blend of grasses because when choosing seed, you tend to get what you pay for. Because seed needs contact with soil to germinate, just spreading seed over a non-aerated lawn will not produce the desired results. Broadcasting seed over a newly aerated lawn, however, allows for better soil-seed contact and better germination. One key advantage of seeding after core aerating is that the seed that falls into the holes will be protected and remain moist longer and provide better germination. As the soil collapses within the hole, the new plants will rise to ground level with a stronger, deeper root system. Water, Water Everywhere: Aeration and seeding alone won’t repair a lawn; in fact, one of the main reasons seed doesn’t germinate is due to inadequate watering. Depending on the variety of seed being used, germination rates can vary. For example, it can take anywhere from five to seven days for Perennial Ryegrass or Tall Fescue and up to three weeks for Bluegrass. Keeping the lawn frequently watered for two to four weeks or longer will ensure the new seed becomes well established. Be careful, though, because watering just enough to get the seed to germinate and then stopping will only result in the death of the new grass plants.
Don’t Forget Food Before A Long Winter’s Nap: Fall fertilization is critical to help a lawn recover from summer stresses. The lawn’s top growth has slowed so these nutrients go straight to the roots for a strong start next spring. Your turf actually converts the fertilizer into food reserves and loads up its root system so it’s ready, willing and able to get a quick (and healthy) start in spring. Lawns should be fertilized two or three times during the fall. Most fertilizer bags have instructions on the amount of product to apply per 1,000 square feet. General rule of thumb is to apply no more than one pound of nitrogen per 1,000 square feet. Editors & Online Publications, click here to log onto our editor's site to download your favorite Articles ... |
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