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2. Biofertilizer - Wikipedia

   en.wikipedia.org/wiki/Biofertilizer

   Biofertilizers provide "eco-friendly" organic agro-inputs. Rhizobium, Azotobacter, Azospirillum and blue-green algae (BGA) are perhaps the species with the longest history of use as biofertilizers. Rhizobium inoculant is used for leguminous crops. Azotobacter can be used with crops like wheat, maize, mustard, cotton, potato, and other vegetable ...

3. Gardeners: Here's Everything You Need to Know about Using ...

   www.aol.com/gardeners-heres-everything-know...

   The primary nutrients plants need are nitrogen (N), phosphorous (P), and potassium (K)— that’s the N-P-K you see on most fertilizer bags (Here's how to understand fertilizer numbers and letters).

4. Nitrogen and Non-Protein Nitrogen's effects on Agriculture

   en.wikipedia.org/wiki/Nitrogen_and_Non-Protein...

   Even though nitrogen is a necessary element for life, too much of it in water can have negative effects on aquatic ecosystems and endanger human health. Agricultural runoff, where fertilizers containing nitrogen compounds can seep into rivers, lakes, and groundwater, is one of the main sources of nitrogen in water.

5. Organic fertilizer - Wikipedia

   en.wikipedia.org/wiki/Organic_fertilizer

   Organic fertilizer nutrient content, solubility, and nutrient release rates are typically much lower than mineral (inorganic) fertilizers. [38] [39] A University of North Carolina study found that potential mineralizable nitrogen (PMN) in the soil was 182–285% higher in organic mulched systems than in the synthetics control. [40] There do ...

6. Nutrient management - Wikipedia

   en.wikipedia.org/wiki/Nutrient_management

   Nitrogen fertilizer being applied to growing corn in a contoured, no-tilled field in Iowa.. Nutrient management is the science and practice directed to link soil, crop, weather, and hydrologic factors with cultural, irrigation, and soil and water conservation practices to achieve optimal nutrient use efficiency, crop yields, crop quality, and economic returns, while reducing off-site transport ...

7. Seaweed fertiliser - Wikipedia

   en.wikipedia.org/wiki/Seaweed_fertiliser

   Organic fertilization techniques have lower environmental consequences in comparison to the production of artificial chemical fertilizers, because they use no harsh caustic or organic solvents to produce fertilizer and the seaweed raw material is a renewable resource, as opposed to mineral deposits and fossil fuels needed to synthesize chemical ...