Biotechnology of Biofertilization and Phytostimulation

To sustain the world population in the year 2020 it will be necessary according to United Nations (UN) estimates from 1989, to increase agricultural production by 100%. The role that the use of effective fertilizers can play in increasing agricultural production is fully recognized. A clear relation has been established between the increasing yields of cereals, especially in developed countries over the past 70 years, and the introduction of high-yielding varieties, better pest control, and the increase in fertilizer consumption (i.e., nitrogen, phosphorus, potassium). It is generally assumed that an input of 1 kg of fertilizer produces up to 10 kg of additional cereal, at least for the initial fertilizer applications [1,2].

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