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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 11 to 20 of 132 (0.065 seconds)

Spelling suggestions: "subject:"phosphorus content"" "subject:"aphosphorus content""

11

A study of the fixation of phosphates by soils.

Brooke, R. O. January 1925 (has links)
No description available.
Phosphates.
Soils -- Phosphorus content.
Chemistry.
12

Factors Influencing the Availability of Native Soil Phosphate and Phosphate Fertilizers in Arizona Soils

McGeorge, W. T. 15 September 1939 (has links)
No description available.
Agriculture -- Arizona
Soils -- Phosphorus content -- Arizona.
13

CORRELATIONS OF NATURALLY OCCURRING VARIATIONS IN ALFALFA YIELDS, TISSUE PHOSPHORUS, AND SOIL PHOSPHATE.

Burr, Mark Daniel. January 1984 (has links)
No description available.
Alfalfa.
Plants -- Effect of phosphorus on.
Soils -- Phosphorus content.
14

The effect of carbon on phosphorus availability to corn (Zea mays L.)

Harris, Donald Eugene January 2011 (has links)
Vita. / Digitized by Kansas Correctional Industries
Corn--Fertilizers
Soils--Phosphorus content
Carbon
15

The availability of phosphorus from anoxic hypolimnia to epilimnetic plankton /

Nürnberg, Gertrud. January 1984 (has links)
No description available.
Lake ecology.
Water -- Phosphorus content.
Freshwater plankton.
16

Chemical behavior of phosphorus over time in fertilized soils

Zhang, Tiequan. January 1996 (has links)
No description available.
Corn -- Fertilizers.
Soils -- Phosphorus content.
Phosphatic fertilizers.
17

Mycorrhizal symbiosis and nutrient uptake in new maize hybrids with contrasting phenotypes as influenced by soil phosphorus level

Liu, Aiguo, 1949- January 2000 (has links)
No description available.
Soils -- Phosphorus content.
Mycorrhizal fungi.
Corn -- Breeding.
18

Studies in the reversion and availability of phosphorus in some South Australian soils

Joseph, K. T. (Kanianthra Thomas), 1932- January 1957 (has links) (PDF)
Typewritten copy Includes bibliographical references
Soils South Australia Phosphorus content
Phosphorus in agriculture
19

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Nelson, Sheila J. 31 July 1991 (has links)
Graduation date: 1992
Soils -- Phosphorus content
Phosphatases
Soil microbiology
20

Measurement of microbial biomass phosphorus in Oregon soils

Claycomb, Peter T. 21 April 1992 (has links)
Graduation date: 1992
Soils -- Oregon -- Phosphorus content
Soil microbiology -- Oregon

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