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Some aspects of nutrient cycling in two plant stands in Taipo Kau forest reserve, New Territories, Hong Kong鄒桂昌, Chau, Kwai-cheong. January 1977 (has links)
published_or_final_version / Geography and Geology / Master / Master of Philosophy
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The effects of DDT, chlordane, and benzene hexachloride upon germination growth and nodulation of red clover Trifolium Pratense LinnRandall, Armand Peter January 1952 (has links)
Studies were conducted at the University of British Columbia during the fall of 1950 to ascertain the effect of varied soil concentration of DDT, Chlordane and Benzene hexachloride upon the growth and nodulation of red clover. The study was divided into two phases:
(a) the effect of these insecticides upon clover seed germination,
(b) the effect of soil applications of these residual insecticides upon red clover growth and nodule formation.
Analyses of the germination and harvest data showed that stimulation of red clover occurred within a limited range and plant injury at higher toxicant concentrations. Significant growth and yield differences occurred between insecticide treatments and between dosage treatments.
Nodule formation occurred on all of the plants but the distribution and size of the nodules were affected by the concentrations of the insecticides in the soil. Chemical analyses of the clover plants showed that the nitrogen and phosphorus content of the foliage was unaffected by the presence of high concentrations of DDT, Chlordane or Benzene hexachloride in the soil. The potassium content, however, appeared to be affected by DDT.
Biological analyses of the clover plants failed to show any signs of translocation of the insecticides from the roots into the foliage. / Land and Food Systems, Faculty of / Graduate
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A study of the mechanism of rubidium accumulation in Euglena gracillis.Brenner, Mark Lee 01 January 1965 (has links) (PDF)
No description available.
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Vitamin-like Substances in Plant NutritionBreazeale, J. F. 01 August 1927 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.
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The Effect of One Element of Plant Food upon the Absorption by Plants of Another ElementBreazeale, J. F. 01 May 1928 (has links)
This item was digitized as part of the Million Books Project led by Carnegie Mellon University and supported by grants from the National Science Foundation (NSF). Cornell University coordinated the participation of land-grant and agricultural libraries in providing historical agricultural information for the digitization project; the University of Arizona Libraries, the College of Agriculture and Life Sciences, and the Office of Arid Lands Studies collaborated in the selection and provision of material for the digitization project.
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Factors affecting the utilization of nutrients by higher plantsCrossett, R. N. January 1964 (has links)
No description available.
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Utilisation of nutrient reserves in the vegetative propagation of the grapevineUys, D. C. (Dirk Cornelius) 12 1900 (has links)
Thesis (PhD)--Stellenbosch University, 1981. / ENGLISH ABSTRACT: No abstract available / AFRIKAANSE OPSOMMING: Geen opsomming beskikbaar
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A study of the uptake of phosphorus by plants from the soil using radioactive phosphorusAdams, Sam N. January 1950 (has links)
No description available.
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Diagnosis of nutritional disorders in Eucalyptus saligna Sm. seedlings and their responses to fertilization in forest soils / Nutritional disorders in Eucalyptus saligna Sm. seedlingsQureshi, Ata Hussain January 1978 (has links)
Photocopy of typescript. / Thesis (Ph. D.)--University of Hawaii at Manoa, 1978. / Bibliography: leaves [174]-183. / Microfiche. / xviii, 183 leaves ill. (some col.)
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A study of the nutritive value of fresh-water plantsNelson, John Wesley, Palmer, Leroy S., Wick, Arne N. Sandstrom, W. M. Lindstrom, H. V., January 1900 (has links)
Thesis (Ph. D.)--University of Minnesota, 1938. / Includes tables. Vita. Published also as Technical bulletin 136, March 1939, of the Minnesota Agricultural experiment station, with title: Nutritive value and chemical composition of certain fresh-water plants of Minnesota. Consists of three parts, part one only (p. 3-34) represents the author's thesis. "Literature cited": p. 31-34, 42, 47.
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