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5-0-29 Nutrigrow High-K Fertiliser 25kg

Availability: In stock

High Potash Fertiliser With Trace Elements

  • Buy 5 for £26.00 (£31.20 inc VAT) each and save 6%
  • Buy 10 for £23.00 (£27.60 inc VAT) each and save 17%
  • Buy 20 for £21.00 (£25.20 inc VAT) each and save 24%
£33.00 Inc VAT £27.50 Ex VAT
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Product Description


LERAP Category  N/A

Active Ingredient  5% Nitrogen + 0% Phosphate + 29% Potassium + 4% Iron + 2.5% Magnesium

Spreading Rate 20-50g per m2

Area Covered Depends on rate 500m2 - 2000m2

Pack Size  25kg

Required Safety Equipment - Gloves


High K is a quality fertiliser which is ideal for areas requiring a large amount of potassium (K). It also benefits from a low amount of nitrogen, magnesium & Iron. Although this product is mainly used in paddocks & pasture, it is also suitable for lawns, sports turf & amenity areas, this is due to its compound mini-granule formulation.

This product can be used at higher rates for correcting potassium deficiencies, or used as a general feed which will slowly release the fertiliser over a 6 week period. 

The application rate will depend on how many times you will apply the product, and also what the grass is going to be used for. If you require a detailed reccomendation, please contact us for a soil analysis kit. Apply either by hand or through one of our applicators.


Recommended Period of Use
Jan Feb
Mar Apr May
Jun Jul Aug Sep Oct Nov Dec


leaf leaf leaf leaf     leaf leaf  leaf  
leaf = Optimum time for application

Understanding Fertiliser Analysis

Under the metric system the unit of measurement is a kg

Recommendations are given in kg/ha

A fertiliser with the analysis 5:0:29:4Fe:2.5Mg contains:-

5% Nitrogen 0% Phosphate 28% Potassium 4% Iron(Fe) 2.5% Magnesium

So in a 25kg bag:-

5% of the 25kg is Nitrogen i.e. 1.25kg N

0% of the 25kg is Phosphate i.e. 0kg P

29% of the 25kg is Potassium i.e. 7kg K

4% of the 25kg is Iron i.e. 1kg Fe

2.5% of the 25kg is Magnesium i.e. 0.75%

For more information on Fertiliser rates visit


Our Recommendation

- If looking for a liquid fertiliser look at Nutri-gem Liquid

- For applying fertiliser over large areas look at our Pro Fertiliser Spreader

- Improve the pH of your soil by applying Granulated Lime

Brand Nutrigrow
Pack Size 25kg
Application Method(s) Spread by Hand, Spreader
Area of Use Amenity Turf, Horticulture, Lawn, Paddock, Pasture, Plants, Sports Turf, Trees & Ornamentals
Safe For Use On Conifer Safe, Grass, Lawns, New Grass, Paddocks, Pasture, Safe Around Fruit Trees, Safe Around Shrubs, Safe Around Trees, Sports Turf
Period Of Use Spring, Summer, Autumn

Application Rates

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