6 ASSOCIATE DISHEDEGR © Wai lx syaanunes 
FERTILIZER FACTS 
New Turf 
A properly prepared seed bed, well supplied with necessary plant foods prior to seed- 
ing, should be encouraged since turf is a permanent crop and once established altera- 
tions are costly. 
Prior to plowing or spading, spread 20-25 pounds of superphosphate to 1,000 square 
feet of area. 
Prior to seeding make an application of 10-20 pounds of a complete fertilizer per 
1,000 square feet of area, and work into upper two or three inches of soil. Use a 
fertilizer high in nitrogen content, such as 10-6-4. 
If limestone is to be used, do not apply any fertilizer within 10 days of the limestone 
application. Where phosphate is applied, liming should, if possible, precede its use 
by several months. (See page 7 for further information on liming.) 
Turf Maintenance 
No one type of fertilizer will meet the requirements of all areas. The proper 
fertilizer depends upon the condition of the turf and nature of the soil. It can best 
be determined by soil analysis. 
Nitrogen promotes rapid, vigorous growth and is the element most necessary yet 
most likely to be lacking. In general, it should not be applied in excess of one 
pound to 1,000 square feet. 
Phosphorus promotes root growth and should be in ample supply. 
Potash is of value because it helps to maintain a healthy, disease-resistant turf. 
Commercial fertilizer should be applied as early as possible in spring and again in 
fall, on a day when the grass is dry, then thoroughly watered in to avoid burning 
the grass. Organic fertilizers, if used, should be applied in fall. 
Areas which are traversed by tree roots are best fertilized in early fall. 
If lime is applied, allow at least 10 days to elapse before applying fertilizer. 
If a lawn is infested with crabgrass, do not fertilize in late spring. The proper time 
is early spring or fall. 
Soil should be tested every year or two. Most State Experiment Stations are 
equipped to give this service. 

Average analysis in Period of influence of nitro- 
percentages gen in number of days Rate of 
—_————————_—. ——q—_— | mem i———] application 
Nitro- Phosphoric Pot- in pounds per 
Material gen acid ash | Start Peak End 1,000 sq. ft. 
Asgrow Lawn Food .............. 10 6 4 3 18-25 40 5-10 
pe eT iy en aia ce 8 5 3 variable ae 6-12 
32 124 mete Wlatn es ht 3 12 4 variable ed 10-20 
Cottonseed Meal .................. 6.5 «} 2 i 18-22 35 15-20 
Soybeans Vealte. . es 6.5 } 2 20 28-32 40 15-20 
Mialoreanitemwee wee 6 2 1 5 12-15 40 15-25 
Dried Sheep Manure ............ 2 ike) 2 12 17-22 3 50-75 
Bone Meal, steamed ............ 1-2 22-28 an 20 30-35 45 20-25 
GastorupeanulLomace 44. 5 2 1 9 25-28 42 16—20 
Sulphate of Ammonia .......... 21 3 6-9 16 3-5 
Urea ee eee a 46 | pie 8 12-15 25 1-2 
INitratesoreSOddaret 16 Re: ae 1 4-8 1S 4—6 
Ammo-Pno0sieA coe i 48 hae 5 8-12 18 5-8 
Ammo-Phose 26a 16.5 20 oat 5 8-12 18 3-5 
Superphosphate .................... 0 20 “oh = Care se 20-25 
Muriate of Potash .............. Ounes 0 50 oe. ane wes 2-3 

Sa Ne a an ned de ge as ee 
