Bio-N Urea

$975.00/t - Ex-Store

Dickie Direct’s Bio-N Supercharged Urea is a biologically enhanced source of nitrogen containing humate and EM (Effective Microorganisms). Research has indicated that improved microbial activity from Bio-N can increase crop and pasture yields while reducing nitrogen requirements and costs.

Clients who have made the switch to Bio-N Supercharged Urea have noticed an improved and prolonged nitrogen response which has lead to reduced nitrogen requirements and costs.

  • N:36.3%
  • P:0
  • K:0
  • S:4.8%
  • Ca:.36%
  • Mg:0

Why Use Bio-N Urea?

Using Bio-N can increase crop and pasture yields by:

Improving Nitrogen Utilisation

Bio-N will help improve a soils CEC (Cation Exchange Capacity) and its ability to hold cations such as ammonium nitrogen. This reduces the amount of nitrogen that is being lost through volatilisation and leaching making more nitrogen available to the plant.

Extending Nitrogen Response Time

By both improving the microbial nitrogen retention and the soils CEC this will increase the amount of nitrogen that is being held in stable forms in the soil. These nitrogen sources are then released into plant available forms over an extended period, extending the nitrogen release curve.

 Increasing the Availability and Uptake of Other Key Nutrients

Plants rely on soil biology to break down key nutrients into plant available forms. Bio-N introduces beneficial bacteria, yeast and fungi (EM) along with a biological feed source (Humate) to the soil, improving the efficiency at which nutrients are made plant available.

Improving Long Term Soil Health

Bio-N fuels plant production and long-term soil health through enhancing the soils biological activity. Get your soils doing more of the work for you.

Product FAQs

When to Use

Summer, Autumn, Winter, Spring


Although Bio-N Urea is less susceptible to volatilisation losses compared to standard Urea we still recommend taking the below precautions:

  • Avoid application in the heat of the day where possible.
  • Apply pre rain fall/irrigation (ideally 10ml within 10 hours) to avoid any losses through volatilisation.
  • Avoid application before large amounts of rainfall (40ml plus within 10 hours) to reduce any leaching.

Nitrogen's Role in Plants

  • Nitrogen is always the nutrient in highest demand by plants, due to the greater content of nitrogen present on a dry weight basis in comparison to any other nutrient.
  • Nitrogen is a primary component of amino acids which are the building blocks of proteins. Thus, by adding nitrogen to soil the protein content in plants is increased.
  • Nitrogen is part of the chlorophyll molecule, and a part of numerous enzymes and coenzymes. Chlorophyll is responsible for photosynthesis, where sunlight is absorbed and stored in the plant as sugars and proteins.
  • Therefore, nitrogen is an integral part of photosynthesis.
  • Signs of nitrogen deficiency – reduced plant growth, yellowing of the leaf, early crop maturing.