Look to the sky for nitrogen, not its price

摘要

Successful farming is often all about choosing the right options. We need to simultaneously minimise a host of crop production and marketing risks, evaluate a vast range of management options while all the while, staying profitable.On the production front, rapidly escalating fertiliser, chemical and other input prices are making it very difficult to put profitable budgets together. The price of nitrogen fertiliser in particular is now very high (Table 1) in the face of a huge worldwide demand for hydrocarbons.