Èdafon: diferència entre les revisions

* [http://www.sdnotill.com/Newsletters/Real%20Dirt.pdf The real dirt on no-till soil] ({{pdf}} file)

* [http://organic-fertilizer.info/organic-fertilizer.php Why organic fertilizers are a good choice for healthy soil]

* [http://www.gmo-safety.eu/results/619.effects-beyond-normal-varietal-differences.html Effects of transgenic zeaxanthin potatoes on soil quality] Biosafety research project funded by the BMBF]

* [http://www.cnr.berkeley.edu/soilmicro/methods/BalserPLFA.pdf Phospholipid fatty-acid analysis protocol] A method for analyzing the soil microbial community] ({{pdf}} file)