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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 90 (0.337 seconds)

Spelling suggestions: "subject:"soils - phosphorus content."" "subject:"soils - 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

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.
16

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.
17

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
18

A CHARACTERIZATION OF MOBILE FORMS OF PHOSPHORUS IN A CALCAREOUS SOIL

Hilal, Mostafa Hassan Mohamed, 1937- January 1966 (has links)
No description available.
Soils -- Phosphorus content.
Soil chemistry.
Calcareous soils.
19

Chemical methods for evaluating available phosphorus in Arizona soils

Jones, James Preston, 1935- January 1959 (has links)
No description available.
Soils -- Analysis.
Soils -- Phosphorus content -- Arizona.
20

Effects of CaCO3 silicate and organic residues on polyphosphate retention and hydrolysis in soils, and P uptake by barley (Hordeum vulgare L.)

Mkneni, P. N. S. (Pearson Nyari Stephen) January 1983 (has links)
No description available.
Barley.
Polyphosphates.
Phosphatic fertilizers.
Soils -- Phosphorus content.

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