Deciding the Proper Amount of Fertilizer to Apply to Your Lawn. Adjusted by Clair Klock From David Phipps Superintendent Stone Creek Golf ClubSlide 2
Key Points to Cover Nutrient Requirements of Turfgrass Nutrient Benefits to Turfgrass What to Buy Measuring Your Lawn Determining the Proper Amounts to Apply How to ApplySlide 3
Beneficial Macronutrients NITROGEN Maintains development and cell advancement. PHOSPHORUS Affects foundation, establishing, development and propagation. POTASSIUM Affects establishing, dry season, warmth, and cool strength, illness and wear resilience.Slide 4
Other Macronutrients Beneficial to Turfgrass CALCIUM Cell divider development, influence on soil ph. MAGNESIUM Vital constituent of the chlorophyll atom. Support of green shading. SULFUR Essential constituent of amino acids and other natural mixes.Slide 5
Micronutrients Beneficial to Turfgrass Iron, manganese, zinc, copper, molybdenum, boron and chlorine are generally as vital as the macronutrients however are required by the plant in littler sums. Iron is not a constituent of chlorophyll but rather is require for chlorophyll amalgamation.Slide 6
Nutrient Requirements Soil Test Your nearby state or region expansion workplaces are paid by people in general to help in give all of you sorts of data on the best way to take these examples and for a little charge they give you an itemized and most times composed proposals on the sums should have been included and recommended preparation rates for houseplants to gardens to pastures and everything in between.Slide 7
Soil Test Benefits This test will furnish you with data, for example, the pH of your yards soil and the measure of different supplements required or in wealth in the dirt. The lab can even suggest arrangements on the off chance that you give the harvest (grass sort) developing in your dirt example.Slide 8
What is in a Bag of Fertilizer? 25-5-10 NITROGEN PHOSPHORUS POTASSIUM The Number is a rate by weight Example: If this were a 50 pound sack 25 percent of the weight would be nitrogen, or .25 X 50# = 12.5 lb NSlide 9
When the pack says it covers such a variety of feet, What rate of N would they say they are suggesting? 24 – 5 – 11 It is a 50 lb pack and it says it covers 12,000 square feet. What number of pounds of N per 1000 will be connected per 1000? .24N x 50lb = 1.0 Lb N/1000 12KSlide 10
What do you get from this pack of compost? 50 lbs Net Weight 12 lbs of Nitrogen 2.5 lbs of Phosphorus 5.5 lbs of Potassium The sack covers 12,000 sq ft. All out expense for 1 lb Nitrogen for each 1000 square feet is $1.25Slide 11
Lets Look at Another Brand 29 – 3 - 4 It is a 15.52 lb sack and it says it covers 5000 square feet. What number of pounds of N will be connected per 1000? .29N x 15.52lb = .90 lbs N/1000 5KSlide 12
What do you get from this sack of compost? 15.52 lbs Net Weight 4.5 lbs of Nitrogen .46 lbs of Phosphorus .62 lbs of Potassium At 1 lb N for every 1000 this pack just covers 4500 sq. ft. All out expense for 1 lb Nitrogen for every 1000 square feet is $5.10Slide 13
What do you get from this container of manure? 25 lbs Net Weight 6 lbs of Nitrogen 1.25 lbs of Phosphorus 2.75 lbs of Potassium The can covers 6,000 sq ft. All out expense for 1 lb Nitrogen for each 1000 square feet is $2.16Slide 14
What do you get from this pack of compost? 20 lbs Net Weight 4.2 lbs of Nitrogen 0 lbs of Phosphorus 0 lbs of Potassium 4.8 lbs Sulfur The sack covers 4,200 sq ft. Complete expense for 1 lb Nitrogen for each 1000 square feet is $.87Slide 15
What is your yearly cost to treat 6,000 sq. ft.? 1 sack 24-5-11 $14.99 (½ spring ½ fall) 3 packs 21-0-0 $11.01 (.75 - .50 lb N/Month) Total Cost $26.00 (Equals 4.1 lbs N/1000/year) OR 4 packs of "Scotts Turf Builder $91.92 (Equals 3 Lbs N/1000/year)Slide 16
The initial phase in treating your grass is to gauge the aggregate zone. Critical things to recollect The more correct the measure the more control you have over how much manure you are applying. Attempt to draw near yet recall that it doesn\'t need to be definite.Slide 17
Area Formulas for Squares and Triangles S 1 a S 2 90 0 b Area = S 1 x S 2 base x elevation Area = 2Slide 18
Area Formulas for Circles and Trapezoids S 1 h Radius (r) 90 0 S 2 Area = π r 2 S 1 + S 2 π = 3.14 Area = x h 2 r = 43 ft 3.14 x 43 x 43 = 5805.9 ft 2Slide 19
Lets do an Example! S 1 = 70 A h =60 S 3 = 90 S 2 = 100 S 4 = 50 90 0 C B S 5 = 35 Area A = Trapezoid Area B = Triangle Area C = Rectangle ( ) 100 + 70 + 35 x 50 + 90 x 50 = 10,475 sq ft. x 60 2Slide 20
How Much Fertilizer do I Apply? Complete zone = 10,475 sq. ft. Rate = 1 lb. Nitrogen per 1000 sq. ft. Illustration 24 – 5 – 11 Divide the examination into 100. If the investigation is 24% Nitrogen. 100 partitioned by 24 = 4.17. That implies you would need to apply 4.17 lbs. per 1000 sq. ft. to apply a real rate of 1 lb of Nitrogen for each application. 4.17 x 10.475 = 43.68 lbs.Slide 21
Common Fertilizer SpreadersSlide 22
Not Recommended for compost. Lime justSlide 23
Simple Steps to Calibrate Your Spreader 1. Measure the width of the compelling example of the spreader: This is basically the separation from the focal point of the spreader to the edge of one side of the example. See "Effective Pattern of a Rotary Spreader" on the past page. ________ft. 2. Measure an advantageous separation to run the spreader: the more drawn out the separation, the more exact the adjustment. ________ft.Slide 24
Continued 3. Increase the progression 1 esteem by step 2 quality to compute the range secured by the spreader. ________ft 2 4. Measure a part of the item and spot into spreader. ________lb.Slide 25
Continued 5. Push the spreader over the region beforehand measured in step 3, being mindful so as to stop the spreader on and correctly toward the starting and end of the course. 6. Measure the measure of item left in the spreader. ________lb.Slide 26
Continued 7. Subtract the number in step 6 from the number in step 4. This is the measure of item connected to the zone you have measured. ________lb. 8. Isolate the number in step 7 by the number in step 3 to give lb. connected per square foot. ________lb./ft 2Slide 27
Continued 9. Duplicate the number in step 8 by 1000 to give lb. item/1000 ft 2 ________lb./1000 ft 2 10. Conform the spreader setting and rehash the alignment if important until the spreader is applying the suggested rate recorded on the sack.Slide 28
Spreader Pattern Half rate two bearingsSlide 29
Lawn Weed Control Healthy, very much kept up gardens are better ready to rival weedsSlide 30
Turf administration starts with appropriate arranging and legitimate grass foundation. Site Make beyond any doubt your site is spotless. Toxic weeds, for example, quackgrass ought to be showered with Round-up. Make certain your dirt has great waste. Till to separate compaction layer.Slide 31
Lawn Establishment Site Cont. Before seeding test soil for supplements Fertilize with adjusted manure. Advertisement manure if soil is bereft of natural matter.Slide 32
Lawn Establishment Seed Selection Use grasses appropriate for our atmosphere. (Lasting Ryes and Fescues) Use grass seed that contains next to no "weed seed". 0.15% or less.Slide 33
Lawn Establishment Seeding in the fall is ideal. There is less weed weight. Mulch over the seed bed when finished.Slide 34
Lawn Establishment Trees and shade Be certain your yard site gets at rented 6 hours of daylight for each day. In the event that shade is an issue use fescues.Slide 35
Maintenance by Mowing Height Greater length helps the grass create more sustenance stores and more profound root framework. Diminish the cutting tallness in the tumble to lessen winter damage and sickness.Slide 36
Maintenance by Mowing Frequency Best not to evacuate more than 1/3 rd of the leaf sharp edge. Cutting more will result in decreased root development. Cut every now and again amid high development periods.Slide 37
Maintenance by Mowing Keep it Sharp Sharpen edges 3 to 4 times for each season. Dull sharp edge will tear the grass, making passage focuses for maladies and expanding water misfortune from the clears out. Cut when dry and reuse clippings when conceivable. Clippings give 20–50 percent of the nitrogen required.Slide 38
Weed Control Crabgrass (yearly) Cultural Control Maintain thick solid turf. Water profoundly. Compound Control A pre-development herbicide can be connected in the spring.Slide 39
Weed Control Quackgrass (lasting) Cultural Control Dig out totally. Supplant soil and reseed. Concoction Control Don\'t mix up it for Crabgrass. (Pre emergents won\'t work) Spray out with Round-up, till and reseed following one week.Slide 40
Common Lawn Weeds Plantain Dandilion White Clover ChickweedSlide 41
Broadleaf Control Cultural Control Digging. This is best in the spring when weeds have their most reduced sustenance saves put away in the roots. Attempt to burrow or cut the roots as profoundly as could be expected under the circumstances (3-5 inches).Slide 42
Chemical Control Herbicides containing 2,4-D, MCPP, or Banvel (dicamba) will control most broadleaf weeds. MCPP is especially successful on chickweed, Dicamba ought to just be utilized on troublesome weeds, However, on the grounds that it can filter through the dirt and be consumed by tree roots, it can harm or even slaughter the tree.Slide 43
Weed and Feed Mixes If you utilize weed and nourish sort manures, keep it on the yard. Clear granules back on to the grass to dodge spillover into neighborhood streams. My inclination would be to keep away from all together. 2,4-D and MCPPSlide 44
Products For huge territory infestations utilize a hose end style sprayer. On the off chance that weeds are few, spot splash.Slide 45
Chemical Safety Always wear gloves when taking care of pesticides. Most yard and patio nursery plants, particularly tomatoes, are extremely powerless to herbicides. Maintain a strategic distance from float by applying when it is cool and when wind is truant. At the point when temperatures surpass 80 ºF items may vol
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