855 PB 428 EFFECTS OF SPIN OUR™-TREATED CONTAINERS ON SHORT TERM LEACHING OF COPPER AND COPPER ACCUMULATION IN RECYCLED IRRIGATION WATER DURING GROWTH OF CORN AND BALDCYPRESS IN SAND OR BARK MEDIA

Autor:	Larry J. Shoemake, Michael Arnold
Rok vydání:	1994
Předmět:	chemistry Environmental chemistry chemistry.chemical_element Horticulture Leaching (agriculture) Irrigation water Copper
Zdroj:	HortScience. 29:556a-556
ISSN:	2327-9834 0018-5345
DOI:	10.21273/hortsci.29.5.556a
Popis:	Zea mays L. and Taxodium distichum L. seedlings were grown for 35 days in sand or 3:1 milled pine bark:sand media in 0.7 liter containers. Containers were painted on interior surfaces with 100 g Cu(OH)2/liter or 200 g Cu(OH)2/liter latex carrier (Spin Out™) or not. Five seedlings of each treatment combination were watered daily from 9.5 liter reservoirs with 100 ml of recycled fertilizer (20N-8.7P -16.6K. pH 6.0) solution initially containing 0.036 mg Cu/liter. Fertilizer solutions containing 0.036, 5, 10, 100, or 1000 mg Cu/liter were used to develop toxicity response curves with additional seedlings. Growth of both species in both media was increased by Spin Out treatments. Soluble Cu content of the recycled solution from Spin Out treated containers increased slightly (
Databáze:	OpenAIRE
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