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When discussing the application of nitrogen in agriculture, it is essential to consider the sources of nitrogen used. Synthetic nitrogen fertilizers, such as ammonium nitrate and urea, are commonly applied to crops to replenish soil nitrogen levels and enhance crop productivity [3] These fertilizers provide readily available nitrogen for plant ...
Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...
Ceylon cinnamon is the costlier variety and is considered to be a much more upmarket product by those in the West. Sri Lanka exported USD 128 million worth of cinnamon in 2014, which accounted for 28% of global cinnamon exports for that year. [17] Black pepper is the second largest export spice in Sri Lanka. Most black pepper is exported to India.
According to ICIS Fertilizers managing editor Julia Meehan, "People don't realise that 50% of the world's food relies on fertilisers." [87] The world population has grown by about five billion [88] since the beginning of the Green Revolution. India saw annual wheat production rise from 10 million tons in the 1960s to 73 million in 2006. [89]
Agrominerals (also known as stone bread or petrol fertilizer) are minerals of importance to agriculture and horticulture industries for they can provide essential plant nutrients. [1] Some agrominerals occur naturally or can be processed to be used as alternative fertilizers or soil amendments . [ 1 ]
Controlled-release fertilizer is also known as controlled-availability fertilizer, delayed-release fertilizer, metered-release fertilizer, or slow-acting fertilizer. Usually CRF refers to nitrogen-based fertilizers. Slow- and controlled-release involve only 0.15% (562,000 tons) of the fertilizer market (1995).