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| Material Type: | Manuscript |
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| Monographic Author(s): | Roberts, Eliot C. |
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| Author Affiliation: | Ph.D. and Director, Rosehall Associates, Sparta, Tennessee |
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| Monograph Title: | Solution Culture Research, 2004. |
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| Publishing Information: | Sparta, Tennessee: Rosehall Associates |
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| # of Pages: | 131 |
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| Collation: | 7, 23, 31, 14, 9, 7, 6, 7, 7, 7, 13 pp. |
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| Abstract/Contents: | "A solution culture technique adopted for use in turfgrass research has been developed and evaluated. Specialized culture lids were designed to support sufficient turf investigative purposes. A nutrient solution was formulated to produce a turf of quality similar to that grown under favorable soil conditions. Methods for seeding establishment, maintenance and pest control were standardized for optimum effectiveness. Studies on the effect of clipping and foliar and root feeding on development of top and root growth have demonstrated the value of this technique in turfgrass research. The effect of clipping in restricting foliar and root development was noted to have an affect on the accumulation of nitrogen, phosphorus and potassium in foliage sod and roots. Results indicate that nutrient supplies to the tissue are adequate under clipped conditions to support increased growth. Failures to obtain growth responses are believed due to deficiencies in organic components of the metabolic cycle. Continuous observation of root response to clipping and nutrient treatments showed the value of low nitrogen and optimum phosphorous in stimulation rapid early development of roots. In the long run, the presence of adequate nitrogen, phosphorus and potassium produce as good a root system as the low nitrogen treatments. Under lower heights of cut, the value of nitrogen in promoting both root and foliar growth was noted. Foliar feeding of nitrogen, phosphorus and potassium was ineffective in meeting turfgrass needs for these nutrients where they were absent in the root zone. Foliar and root development and nutrient uptake were directly related to the presence of specific nutrients in the root zone, nitrogen favoring foliar development and phosphorus favoring root growth. Differential foliar and root treatments resulted in turf which possessed variations in nutritional balance. Although retreatment with complete root solutions did not correct deficiency symptoms in low nitrogen and low phosphorus and potassium cultures, it did result in normal accumulation of these nutrients within foliar and root tissues. It was concluded that nutrient balance is tied in directly with other metabolic processes which apparently cannot be adjusted within the tissue as rapidly as the level of inorganic nutrients." |
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Library of Congress
Subject Headings: | Turfgrasses -- Research; Turf Management; Grasses |
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| Language: | English |
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| References: | Chapter refs. |
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| See Also: | See also related image, "Solution culture research at Iowa State University", O.J. Noer/Milorganite® Division MMSD Image Collection, #9828, R=94367. R=94367 |
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| Note: | "From 1955-1969"
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
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