Table 1.
Estimates of the impacts of abiotic stresses on crop production and published research.
| Stress Type | % of global land area affected* | % of global rural land area affected** | Number of Publications*** |
|---|---|---|---|
| Abiotic Stress | 96.5 | 35,363 | |
| Water | 4819 | ||
| Deficit or Drought | 64 | 16 | 4137 |
| Flooding or Anoxia | 13 | 10 | 682 |
| Temperature | 9715 | ||
| Cold | 57 | 26 | 3798 |
| Chilling | 187 | ||
| Freezing | 350 | ||
| High or heat | 5380 | ||
| Light | 7659 | ||
| Low | 3081 | ||
| High | 4578 | ||
| Chemical/Soil | 50 | 12391 | |
| Salt or salinity | 6 | 6 | 3498 |
| Mineral deficiency or low fertility | 9 | 39 | 222 |
| Mineral toxicity | 437 | ||
| Acid soil | 15 | 3646 | |
| Air pollutants | |||
| Ozone | 1369 | ||
| Sulfur dioxide | 378 | ||
| NOx oxide | 2001 | ||
| Elevated CO2 | 840 | ||
| Miscellaneous (e.g. wind, mechanical, etc.) | 779 | ||
*based on FAO World Soil Resources Report 2000 ftp://ftp.fao.org/agl/agll/docs/wsr.pdf.
** based on Tables three point six and three point seven of 2007 FAO Report http://www.fao.org/docrep/010/a1075e/a1075e00.htm
*** data based on simple searches in PubMed between 2001 and July 7, 2011.