"मिट्टी के प्रकार": अवतरणों में अंतर
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पंक्ति 15:
== बाहरी कड़ियाँ ==
*[https://web.archive.org/web/20041205053402/http://clic.cses.vt.edu/icomanth/02-AS_Classification.pdf Soil classification systems]
*[https://web.archive.org/web/20041012030817/http://www.itc.nl/~rossiter/research/rsrch_ss_class.html A Compendium of On-Line Soil Survey Information Soil Classification for Soil Survey]
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