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📁 病虫害杂草

A weed is any plant growing where it is not wanted. This category is for listings of websites providing information about weeds and weed control. It is NOT for companies providing actual weed control services.

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AfricaSoils.net, African Soil Information Service

http://www.africasoils.net/

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Australian Soil Resource Information System (ASRIS)

http://www.asris.csiro.au/

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Australian Soil Classification: An Interactive Key

http://www.publish.csiro.au/nid/18/pid/2653.htm

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Advanced Soil Genesis: Soil Morphology and Classification

http://ag.arizona.edu/classes/swes541/Lectures/swes541_1_basic_concepts_2.pdf

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