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Plants can not use atmospheric nitrogen. Rhizobacteria fixes atmospheric nitrogen into nitrate.plant can utilize nitrate in their metabolism.thus fertility of the soil is maintained.

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14y ago

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Soil is deprived of nitrates what do you plant?

Virtually anything in the Legume(pea and bean) family will produce nitrogen as these form nodules with Rhizobacteria which convert N2 gas to nitrate. You can plant vetch, soybeans, dry bean plants, pea plants, and any other plant that is a Legume. You can also apply Nitrogen fertilizer as well and Nitrates will be made as it ozidizes.


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PGPR (= Plant Growth Promoting Rhizobaceria) In the rhizosphere, that is on the plant root or its close vicinity, bacteria are abundantly present, most often organized in microcolonies. Some of these rhizobacteria not only benefit from the nutrients secreted by the plant root but also beneficially influence the plant in a direct or indirect way, resulting in a stimulation of its growth. These plantgrowth- promoting rhizobacteria (PGPRs) can be classified according to their beneficial effects. For instance, biofertilizers can fix nitrogen, which can subsequently be used by the plant, thereby improving plant growth when the amount of nitrogen in the soil is limiting. Phytostimulators can directly promote the growth of plants, usually by the production of hormones. Biocontrol agents are able to protect plants from infection by phyto-pathogenic organisms.


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