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Plant growth-promoting bacteria and desert re-vegetation

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Distribution of small roots in the uppermost<br />

5 cm topsoil in rainy <strong>and</strong> dry seasons 2.5<br />

years after transplanting<br />

Soil surface<br />

Depth (cm)<br />

Pachyce<strong>re</strong>us<br />

pringlei<br />

Stenoce<strong>re</strong>us<br />

thurberi<br />

Lophoce<strong>re</strong>us<br />

schottii<br />

Rainy Dry Rainy Dry Rainy Dry Rainy<br />

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. 1<br />

2<br />

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4<br />

5<br />

.<br />

Bashan et al. Can. J. Microbiol. 1999<br />

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Between<br />

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