Biologi tanah: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
Rescuing 4 sources and tagging 1 as dead.) #IABot (v2.0.8 |
Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.8 |
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* [http://www.extension.umn.edu/distribution/cropsystems/components/7403_02.html University of Minnesota - Soil Biology and Soil Management] {{Webarchive|url=https://web.archive.org/web/20060519054209/http://www.extension.umn.edu/distribution/cropsystems/components/7403_02.html |date=2006-05-19 }}
* [http://www.soil-net.com Soil-Net.com] A free schools-age educational site, featuring much on soil biology and teaching about soil and its importance.
* [http://www.sdnotill.com/Newsletters/Real%20Dirt.pdf The real dirt on no-till soil] {{Webarchive|url=https://web.archive.org/web/20120131203748/http://www.sdnotill.com/Newsletters/Real%20Dirt.pdf |date=2012-01-31 }} (pdf file)
* [http://organic-fertilizer.info/organic-fertilizer.php Why organic fertilizers are a good choice for healthy soil] {{Webarchive|url=https://web.archive.org/web/20140318111103/http://organic-fertilizer.info/organic-fertilizer.php |date=2014-03-18 }}
* [http://www.gmo-safety.eu/results/619.effects-beyond-normal-varietal-differences.html Effects of transgenic zeaxanthin potatoes on soil quality] {{Webarchive|url=https://web.archive.org/web/20120729020746/http://www.gmo-safety.eu/results/619.effects-beyond-normal-varietal-differences.html |date=2012-07-29 }} Biosafety research project funded by the BMBF
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