Fertilizing wheat with dried sludge. [Triticum aestivum]
The purpose of a three-year experiment at the Mesa Agricultural Experiment Station in Arizona was to compare the performance of wheat (Triticum aestivum L.) cultivars grown on soils treated with dried sewage sludge with the growth and grain yield of the same cultivars fertilized with commercial inorganic fertilizers. Many researchers have obtained increased crop yields by using sludge as a fertilizer source (see Literature Cited). Some have shown that the growth rates of crops planted on a sandy soil were similar when soil was treated with either sludge or commercial fertilizer, while others reported that N, P and K released from sludge incorporated into a sandy loam soil increased grain yields of corn. A survey of various municipal sludges found a widespread range of trace metal elements. Plant availability of metals has been found to be influenced by the type and the rate of sludge applied but not directly to the concentrations of trace metals in the sludge.
- Research Organization:
- Univ. of Arizona, Tucson
- OSTI ID:
- 5728286
- Journal Information:
- BioCycle; (United States), Journal Name: BioCycle; (United States) Vol. 27:8; ISSN BCYCD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ALKALI METALS
BIOLOGICAL AVAILABILITY
CADMIUM
CEREALS
CHEMICAL COMPOSITION
COPPER
CROPS
DATA
ELEMENTS
EXPERIMENTAL DATA
FERTILIZERS
GRASS
GROUND DISPOSAL
INFORMATION
LEAD
MANAGEMENT
METALS
MUNICIPAL WASTES
NICKEL
NITROGEN
NONMETALS
NUMERICAL DATA
PHOSPHORUS
PLANTS
POTASSIUM
PRODUCTIVITY
SEWAGE
SEWAGE SLUDGE
SLUDGES
TRANSITION ELEMENTS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTE PRODUCT UTILIZATION
WASTES
WHEAT
ZINC