Effects of lime and applied Mn on plant Mn, growth and chlorophyll concentration of Tifway II bermudagrass
A glasshouse study was conducted to determine effects of lime and Mn applied to three Florida soils on plant Mn, growth, and chlorophyll concentration of Tifway II bermudagrass (Cynodon dactylon x Cynodon transvaalensis). Four replications of three lime rates (0, 1000, and 2000 mg CaCO/sub 3//kg as dolomite and Ca(OH)/sub 2/ for Astatula fine sand and Pompano; 0, 2000, and 4000 mg CaCO/sub 3//kg as dolomite and Ca(OH)/sub 2/ for Myakka fine sand and three Mn applications (none, 10 mg Mn/kg as MnSO/sub 4/, and 5 mg Mn/kg as MnEDTA) were used in a randomized, complete block, factorial design. A wide range of plant Mn concentrations existed across treatments for each soil. Differences in plant Mn concentration did not cause significant differences in growth of chlorophyll concentration. The critical plant Mn concentration was not reached, but it appeared to be below 20 mg Mn kg for bermudagrass. Models for prediction of plant Mn concentration using soil pH and extractable soil Mn were obtained. The applications of MnSO/sub 4/ and MnEDTA each resulted in increased plant Mn under acidic soil conditions. Neither Mn application resulted in increased plant Mn concentration in grass grown on Pompano fine sand with soil pH values of 7.0 or above.
- Research Organization:
- Univ. of Florida, Gainesville
- OSTI ID:
- 6943701
- Journal Information:
- Commun. Soil Sci. Plant Anal.; (United States), Vol. 17:11
- Country of Publication:
- United States
- Language:
- English
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63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
CALCIUM CARBONATES
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
GRASS
PLANT GROWTH
MANGANESE
CHLOROPHYLL
ECOLOGICAL CONCENTRATION
MATHEMATICAL MODELS
SOILS
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CARBON COMPOUNDS
CARBONATES
CARBOXYLIC ACIDS
ELEMENTS
GROWTH
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
METALS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
PHYTOCHROMES
PIGMENTS
PLANTS
PORPHYRINS
PROTEINS
TRANSITION ELEMENTS
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