Mn availability that it must be used in
combination with the soil test Mn level to make a fertiliser
recommendation. For example, at a soil pH of 7.0 soil test Mn must exceed 9ppm to be sufficient . However, at a pH of 6.0 only 4ppm is needed. Copper deficiencies in turfgrass are rare, only occurring in organic soils.
not need to be dry before posting to the laboratory, but excessively wet samples should be air dried to moist conditions prior to shipping.
Fertiliser recommendations from Soil analysis
Most soil testing laboratories make fertiliser recommendations for the major nutrients, phosphorus (P), potassium (K), calcium (Ca) and magnesium (Mg), and these recommendations are based on the “sufficient levels” approach. This philosophy acknowledges that, as the soil test level of the nutrient increases, the chance of getting a response to adding that nutrient decreases and the magnitude of the response, if it occurs, is diminished. At a low soil test nutrient level a response to adding the nutrient is expected most of the time and the response should be relatively large. Adding the nutrient to soil with a medium level of the nutrient should garner a growth response about half the time, but the
enhancement will be less than at low soil test levels. Maintaining soil test levels in the upper part of the medium category or the lower part of the high category is a safe and efficient way to manage P, K, Ca and Mg. Building high soil test levels of P and K will be difficult in sand based rootzones, especially when recently constructed, because the ability to retain these nutrients is very limited.
Soil testing procedures can identify insufficient soil supplies of manganese (Mn) and copper (Cu), as well as excessive levels of Cu. Soil pH has such a dramatic effect on
What is the Scotts soil analysis service?
The Kit
The Scotts professional soil analysis kit contains all the components for having six separate soil samples analysed. The samples can be posted free of charge to the research laboratory for analysis. These laboratories are independently operated using state of the art technology.
The Results
The samples are analysed individually for the following:
• pH status of sample • Phosphorus Concentration • Potassium Concentration • Magnesium Concentration
It should be noted that high levels of Phosphorus are usually present in the soil but are mostly tightly bound to the soil, resulting in little free phosphorus being available. The phophorus in each soil sample is analysed by specialist assays that measure only the available phosphorus, and is therefore a true measure of the concentration available to the plant.
The computer will then assess all results against the criteria the customer provides on the record card and prints out the yearly requirements for Nitrogen, Phosphorus and Potassium in Kilogrammes per hectare.
To obtain a soil analysis kit, contact your local Scotts area manager and we will be delighted to talk you through any of your questions and guide you through the process.
“For landscaping, for sports, for amenity ...”
Growers of natural & rootzone sports turf using the very best STRI cultivars
Tel: 01724 855000 Fax: 01724 282777
email:
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To advertise in this section contact Classifieds
Peter Britton on 01747 855335 email:
peter@pitchcare.com
TOP DRESSING & LOAM
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Specialist growers of sportsturf with a wide range of grades, rootzones, thick and fibre reinforced turf
Tel: 01904 448675
sales@turf.co.uk
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01842 828266 Website:
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