Effects of the Ratio of Pig Manure to Grass Powder on Growth of Earthworms
Author(s) -
树乾 郇
Publication year - 2016
Publication title -
hans journal of agricultural sciences
Language(s) - English
Resource type - Journals
eISSN - 2164-5507
pISSN - 2164-5523
DOI - 10.12677/hjas.2016.66028
Subject(s) - manure , agronomy , zoology , chemistry , earthworm , biology
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