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A ~ M REWCEIVED APR 1 0 19~! ~~L 1361 ~••Stree[ •'Onl~aha.NubEST~aLAIBORAT®R1ES02 I~N9C~ Report Number: 1-093-229A Daf.e: 04/04/91 Dealer: 8262 Grower: Submitted by: JAMES RANCHES HONTE VI.iTA COOP BASIN COOP DURANGO ATTN: CARLA BO% 697 CO 81301 BO% 111 E HWY 160 DUAANGO CO 81302 259-0301 MONTE VISTA CO 81144 Lab Number: 2407 sample I.D.: JR-1 Split the above seasonal recommendation into 3-4 separate applications. Theee applications can be made using the fertilizer schedule ae a guidoline. Nitrogen should not be applied at a higher rate than 1.0 lb per 1000 square feet if using :~ quick releaee fetillzer (water soluble nitrogen). Higher rates of nitrogen and fewer applications can be made if a Blow releaee (water insoluble nitrogen) source ie used. Turf grade fertilizers are generally complete fertilizers, whether dry or liquid, that contain percentages of nitrogen, phosphate, and potash. Theee fertilizers will no rnlally have grades of 2-1-1, 3-1-2, or 4-1-2. To determine the amount of fertilizer to apply based on the soil recommendation you will need to know the grade or guaranteed analysis and for liquids the weight per gallon. For example, the product has a guaranteed analyeie of 30-10-10 which ie a 3-1-1 ratio. The soil analyeie recommended 3.0 pounds nitrogen, 1.0 pound phosphate and 1.0 pound potash per 1000 square feet per eeaeon. This would be spilt into separate applications. If the fertilizer weighs 50 lbs., there ie 15 lbs. N, 5 Lbe. P205, 5 lbs. K20 in the product (50 x .3, 50 x .1). The rate to apply based on the soil recommendations would be approximately 20a of the fertilizer per eeaeon (per 1000 eq ft). The spreader elrould be calibrated prior to the application eo the proper rate ie applied. It ie important to remember to make the application in right angles to one another for uniform coverage. If thLe method of application is made, the applicator should be calibrated at 1/2 the rate. The alkaline soil pH ie too high for optimum grass production. Some problems may occur with chloroeie to cool eeaeon grasses. Correct with the application of sulfur or gypsum. The sodium ie high and will need to be corrected to improve grass production. Sulfur or gypsum can be used as ammendmente to reduce the sodium. Additional management: Turf grasses require approximately 1.0 inch of water per week. This addition of water will vary with types of grasses and voile present. Overwatering will reduce soil aeration, decrease nitrogen and iron availability and will promote diseases. Graee should be mowed to a height of 1-2 inches. increase mowing height and frequency during heat stress periods. Do not allow a tt:ick thatch layer to develop. Soil aerification should be performed annually in the fall to help alleviate compaction. Graee clippings can be returned to the lawn ae an additional source of nutrients to the Boil. en Pohl n/John Menghini Dedic~mrl Fachrsively n, PrnvRlinq Ouglily /lnalytica! Srrvices (11II I ~ Inq l' ;p"i c I~:'I I; ~ ryu I~nl rr r.lp•'9C i1111~ I:Il 111 ll~l'^I"III".'.~ "'.~~ . 'Irn r~ l^•"" ~r n^I '.r l~'pl wl„rrd 1111'i~lll~li hl III p~' , lu Illr woI F II n' n;'. nil :, nI IIIC CW~I IIIIII~ III d11~.1 rl VI'I II'. PII), 111~v:;J LlI•d •~C, ^f nil ll'I Il nllli'.II III(H IO f.0111C 1115 Wll llll~ll nlll;l~ /~ .A'+'