Feeding plants to feed people

Feeding plants to feed people

The use of fertiliser is as old as farming. Scientists at Oxford University have proven the use of manure by agriculturists in Europe around 8,000 years ago. They found a significantly high level of nitrogen-15 isotope in 7,900-year-old cereals, lentils and peas retrieved from Europe, which is evidence of the use of manure in farming at that time. The use of…