The three numbers on fertilizer are the N-P-K ratio, which stands for nitrogen, phosphorus, and potassium. These three nutrients have separate functions and are essential to a plant's growth and ...

USDA’s Agricultural Research Service and its partners are creating a new online database aimed at collecting and sharing fertilizer information nationwide. Fertilizer is an essential part of farming, ...

You’ve potted, watered, de-pested, and pruned your houseplant — but after several months, you notice it looks less vibrant. It may be time for fertilizer. “Plants get their food from photosynthesis, ...

Nitrogen fertilizers are applied to crops to increase yield, but some of that nitrogen is lost to the atmosphere in the form of ammonia. Ammonia is a major air pollutant linked to numerous health ...

Planning your garden's fertilizer needs is best done before the spring season begins. Fertilizers are available in organic, natural, and synthetic forms, each with different properties. Organic ...

New year, same shortage of fertilizer. The fertilizer crisis that has been steadily growing since 2021—when the World Bank reported a 66-percent increase in the price of fertilizer, thanks to ...

Fertilizer costs are having a bigger and bigger impact on farm budgets. In the lead-up to the 2022 crop year, fertilizer prices surged to record highs, driven by tight global supplies, energy shocks ...

Kathleen Merrigan worked for six years at the US Department of Agriculture, most recently serving as Deputy Secretary of Agriculture from 2009-2013. She is a venture partner at Astanor Ventures, a ...