Bioactive carbon improves nitrogen fertiliser efficiency and ecological sustainability
Agriculture’s most pressing challenge is raising global food production while minimising environmental degradation. Nutrient deficiencies, principally nitrogen (N), limit production requiring future increases in fertiliser use and risk to proximal non-agricultural ecosystems. We investigated combining humate with urea, globally the most widely used N-suppling fertiliser, in a four-year field study. Humate increased pasture yield by 9.8% more than urea and significantly altered soil microbial diversity and function. Humate increased N retention suggesting microbial sequestration may lower N leaching and volatilisation losses. Humic microbial bio-stimulation could feasibly increase fertiliser efficiency and development of ecologically sustainable agriculture.
Study reveals humates boost nitrogen benefit
A long term field trial in Southland has found using humates in combination with urea fertiliser will lift pasture production by 10-15% above urea use alone.
Humates a good regen farming input
Regenerative agriculture has started to build in momentum as a movement within New Zealand pastoral farming, with field days and seminars held around New Zealand drawing dozens of farmers to them.
Five Things to Know About Humic Acid
Most of us know about humic substances, and how they increase the ability of the soil to hold water and build organic matter. When we discussed humic acids at the Healthy Soil Summit, the audience wanted to know more details.
Here are five other key things to know about humic acids and soil organic matter.