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Filtering by: Creator Hoagland, Porter Academic Affiliation Soils

Growth rate and phosphorus uptake of wheat (Triticum aestivum VILL., Host) as a function of soil water suction and soil temperature

Creator:

Fazilat, Mohammad

Abstract:

The effect of soil temperature and soil water suction on the rate of phosphorus uptake and growth rate of wheat (Triticum aestivum VILL. , Host) was studied. Plants were grown in perlite slabs separated from an osmotic solution by a semi-permeable membrane. Measurements were made at temperatures of 10.0, 18.3,...

Resource Type:

Masters Thesis

Full Text:

growth at cool root temperatures. Temperature Effects on Ion Uptake Hoagland and Broyer (1936) found
A new hypothesis to explain phosphorus-induced zinc deficiencies

Creator:

Christensen, Neil Walter, 1944-

Abstract:

The phenomena known as "phosphorus-induced zinc deficiencies" are poorly understood. Conclusions drawn from research efforts designed to identify the mechanism of the phosphorus-zinc interaction are, in many cases, incompatible. Similarities in the data from a number of literature reports of "phosphorus-induced zinc deficiencies" have led to the development of the...

Resource Type:

Dissertation

Full Text:

(Hoagland and Arnon, 19 38) further modified to accommodate the phosphorus and zinc variables and to
Manganese absorption by barley roots

Creator:

Maas, E. V. (Eugene Vernon), 1936-

Abstract:

An investigation of Mn uptake by five-day-old excised barley roots revealed that a metabolically-mediated process was involved. In short-term experiments, the rate of Mn absorption was comparable to that of the macronutrient cations. Like other metabolically absorbed cations, the Mn absorption rate was a direct function of the ambient concentration...

Resource Type:

Dissertation

Full Text:

; Pollard and Smith, 1951; Knauss and Porter, 1954) has been reported to be very rapid, though in each