Agrisil K50

Andermatt Madumbi
Usually ships in 24 hours.
R135.00 - R550.00
Bulk Pricing:

Below are the available bulk discount rates for each individual item when you purchase a certain amount

  • Buy 3 - 4 and get 5% off
  • Buy 5 or above and get 10% off
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Agrisil K50 is a potassium silicate based liquid fertilizer for silica supplementation in all crops.
  • Agrisil K50 improves plant tolerance to cold and heat stress, reducing damage and losses;
  • Agrisil K50 has high silica content = thicker cell walls - makes it harder for biting and sucking insects to cause damage to plants; and
  • Agrisil K50 creates thicker plant cell walls = less wilting and improved shelf-life after harvest/picking (and potentially better prices if you’re selling on).

This product is non-toxic agricultural input with no Maximum Residue Limits requirements. It is Non-toxic and residue free.


  • Row Crops: (maize, wheat etc.) Foliar spray 0.5 L/ha at 20 days, repeat at flowering.
  • Veg & small fruit: Foliar spray 1-2 L/ha every 7-10 days following emergence or transplant.
  • Tree crops: Root drench 5 L/ha every 1-2 months Foliar spray 4 L/ha every 2-4 weeks as required.

Dilution rate: 1:100

Silica salts in general are highly reactive. Avoid mixing with products containing salts of magnesium, calcium, zinc and aluminium.

Although this product has been extensively tested under large variety of conditions, neither Vuna Agri-Shop (Pty) Ltd t/a Vuna Agri nor the registration holder warrant that it will be efficacious under all conditions because the action and effect thereof may be affected by factors such as abnormal climatic conditions as well as method, time and accuracy of application.