Open AccessEffects of the Ratio of Pig Manure to Grass Powder on Growth of Earthworms
Author(s) -
树乾 郇
Publication year - 2016
Publication title -
nong ye ke xue
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