Basfoliar Top-N SL

Basfoliar® Top-N SL

Nitrogen fertilizer solution with urea formaldehyde for foliar application.
  • 60 % of slow-release nitrogen
  • Very low salt index and low EC value, does not cause leaf burn
  • Highly resistant against leaching by rain if applied foliar
  • Combines the rapid availability with the long-term effect of the nitrogen
  • Highly effective nitrogen source for easy uptake by the leaves and reduced gaseous nitrogen losses


Basfoliar® Top-N SL is a 100 % water soluble clear liquid nitrogen fertilizer containing about 60 % slow-release nitrogen that keeps this feature when applied foliar or via the soil. The fertilizer has been designed to provide an efficient and safe nitrogen nutrition. Basfoliar® Top-N SL has a very low salt index, giving excellent crop safety and helping to promote uniform growth and encouraging a greater root mass and more vigorous plants.
Especially suitable for cereals, oilseed rape, corn, beets, potatoes, fruit and vegetable crops.

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Nitrogen fertilizer solution with urea formaldehyde, N, 28.
For foliar application.

28,0 %


total nitrogen
11,5 % ureic nitrogen
16,5 % nitrogen from urea formaldehyde

Form of Delivery

  • 1 l bottle
  • 2,5 l canister
  • 5 l canister
  • 10 l canister
  • 20 l canister
  • 200 l barrel
  • 1,000 l IBC
Not all delivery forms are available in all countries.

List of Ingredients

> 5% of net weight

Methylene urea*, water*
* Virgin material substances or mixtures

Transport & Storage Recommendations


  • Delivery as loose goods in big bags or on pallets with bags and canisters.
  • Protect loose goods from moisture during transport.
  • Protect goods from excessive direct sunlight and large temperature fluctuations during transport.
  • Only transport fertilizer at moderate temperatures. Use an air-conditioned lorry if necessary.
  • Take note of any hazardous material labels on the product.


Storage general

  • Protect stored fertilizer from frost, light, and moisture.
  • Store loose goods inside a building and not in outdoor areas. Keep doors closed and cover heaped materials.
  • As the product has a tendency to attract moisture, protect it from rain and standing water.
  • Take note of the hazardous material labels on the product where appropriate.
  • Please check the label or safety data sheet for the appropriate transport conditions and storage temperatures.

Storage temperature

  • Avoid frost and excessively high temperatures.
  • Avoid large temperature fluctuations during storage.

Storage period

  • When stored correctly, fertilizer (excluding liquid fertilizer) can be stored in its sealed original packaging for up to three years after delivery.
  • Products should be used up as quickly as possible once opened.

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