Bio-fertilizers: the Innovative Tool for Agriculture

A recent study reveals bio-fertilizers effects on soil fertility and crop yield.

Which are the tools to face the increasing food demand?

Is the chemical fertilizers use the only possible solution to enhance crop yield?

Which are the mineral fertilization effects on soil in the long run?

The overuse of these products is already causing soil impoverishment. According to a study published on International Journal of Microbiology Research (Biofertilizers: A novel tool for agriculture – Volume 1, Issue 2, 2009, pp-23-31), to overcome this problem it is extremely important to use bio-fertilizersfor two main reasons: on the first hand, they restore soil fertility by providing soil with soil organic matter and living micro-organisms; on the second hand, they increase mineral fertilizers efficiency because they enhance nutrients availability for plants (for example, by fixing atmosphere Nitrogen or dissolving Potassium present in soil).

In this way, bio-fertilizers improve plant health and, then, they increase crop yield.

They represent a benefit for any kind of soil.

A clay soil, for example, has tiny and tightly particles which hamper the flow of water, nutrients and oxygen. Bio-fertilizers reconfigure the clay into a larger, more loosely packed particles. The larger spaces between the particles improve the flow of water, oxygen and nutrients to roots.

Moreover, roots are able to penetrate deeper into soil, reaching more nutrients.

Bio-fertilizersalso improve crop yield and soil fertility in sandy soil, where the large spaces between particles enable water and its dissolved nutrients to draw too quickly for optimal root absorption. They soak up and hold these substances so that roots have more time to absorb them.

Furthermore, besides improving soil features and supplying soil organic matter, they also supply soil with Zinc, Copper, Boron and other vital nutrients.

To sum up, bio-fertilizers can be considered the innovative tool for agriculture: the meeting point between a sustainable soil management and the continuous increase of food demand.

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