Isbn: 9787806661895 - 蚯蚓高效养殖技术 (1 risultati)

paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number: 159 Publisher: Guangxi Science and Technology Pub. Date :2008-11-01 version 2. Contents: First. the urgent development of earthworm industry (a) Overview (b) a pioneer in improving soil (c) three-dimensional agricultural food chain ( d) Good animal protein feed (five) new human food (f) medicine healthy and fit (g) the vanguard of environmental protection (eight) more effective utilization of two forms of structural and physiological earthworm activity (a) external morphology ( b) the internal structure and physical activity three or biological characteristics of earthworms (a) cave life (b) feeding habits (c) living environment (d) reproductive characteristics (e) regeneration (f) life cycle four earthworm species and collection introduced (A) of the earthworm species and distribution (b) the principle of selection breeding species (C) The main farmed species (d) Introduction and purification and rejuvenation five. feed preparation (a) forage species (b) composting fermentation (C) N ratio adjustment (d) feed with (e) feed formula VI efficient farming techniques (a) the outdoor cultivation method (b) indoor cultivation method (c) farming method seven industrial waste. the daily management methods (a) species of earthworm stocking ( b) the feed fed (c) maintain the proper environment (d) earthworm cocoon hatching Management (e) management of eight winter. harvesting and processing products (A) into the earthworm harvesting (b) harvest vermicompost (c) transport packaging ( d) processing into the earthwormFour Satisfaction guaranteed,or money back.…