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t w walker

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Superhero Success

T. W. Walker · Breakthrough Media Network

157 sayfa · 2012

Self-help techniques

Vegetable Gardening with 'Prof' Walker

T. W. Walker · Yayınevi bilinmiyor

120 sayfa · 2008

Vegetable gardening

Biology and Integrated Management of Turfgrass Diseases

Gary W. Beehag, Nathan R. Walker, Percy T.W. Wong, Jyri Kaapro · CABI

328 sayfa · 2024-02-21

Science

Prospects for Enhancing Value of Crops through Public-Sector Research

Walker, T.W., Fuglie, K.O. · International Potato Center

30 sayfa · 2006-01-31

Kategori yok

Self-help techniquesSuperhero SuccessT. W. Walker

Superhero Success

T. W. Walker · Yayınevi bilinmiyor

157 sayfa · 2012

Self-help techniques

FilmsOptical Techniques for the Determination of Pulsed Laser Damage in Thin FilmsTW. Walker, AH. Guenther, PE. Nielsen

Optical Techniques for the Determination of Pulsed Laser Damage in Thin Films

TW. Walker, AH. Guenther, PE. Nielsen · Yayınevi bilinmiyor

9 sayfa · 1979

Films

Sandy soilsPhosphorus Transformations in a Chronosequence of Soils Developed on Wind-blown Sand In New ZealandJohn Keith Syers

Phosphorus Transformations in a Chronosequence of Soils Developed on Wind-blown Sand In New Zealand

John Keith Syers · Yayınevi bilinmiyor

324 sayfa · 1969

Sandy soils

SoilsStudies on Soil Organic MatterT. W. Walker, B. K. Thapa, A. F. R. Adams, Canterbury Agricultural College (Lincoln, N.Z.)

Studies on Soil Organic Matter

T. W. Walker, B. K. Thapa, A. F. R. Adams, Canterbury Agricultural College (Lincoln, N.Z.) · Yayınevi bilinmiyor

6 sayfa · 1959

Soils

Extraction (Chemistry)Fractionation of Soil Inorganic Phosphate by a Modification of Chang and Jackson's ProcedureJ. D. H. Williams, John Keith Syers, T. W. Walker, Lincoln College (University of Canterbury)

Fractionation of Soil Inorganic Phosphate by a Modification of Chang and Jackson's Procedure

J. D. H. Williams, John Keith Syers, T. W. Walker, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

4 sayfa · 1967*

Extraction (Chemistry)

Soil formationThe Significance of Phosphorus in PedogenesisT. W. Walker, Lincoln College (University of Canterbury)

The Significance of Phosphorus in Pedogenesis

T. W. Walker, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

22 sayfa · 1965*

Soil formation

Damage thresholdA Novel Technique for Investigating Impurity Initiated Short Pulse Laser Damage in Thin FilmsAH. Guenther, TW. Walker, TA. Wiggins

A Novel Technique for Investigating Impurity Initiated Short Pulse Laser Damage in Thin Films

AH. Guenther, TW. Walker, TA. Wiggins · Yayınevi bilinmiyor

10 sayfa · 1981

Damage threshold

HumusStudies in Soil Organic MatterT. W. Walker, A. F. R. Adams, Canterbury Agricultural College (Lincoln, N.Z.)

Studies in Soil Organic Matter

T. W. Walker, A. F. R. Adams, Canterbury Agricultural College (Lincoln, N.Z.) · Yayınevi bilinmiyor

12 sayfa · 1955*

Humus

Extraction (Chemistry)Fractionation of Phosphorus in Two Alluvial Soils and Particle-size SeparatesJohn Keith Syers, Ranjit Shah, T. W. Walker, Lincoln College (University of Canterbury)

Fractionation of Phosphorus in Two Alluvial Soils and Particle-size Separates

John Keith Syers, Ranjit Shah, T. W. Walker, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

7 sayfa · 1969*

Extraction (Chemistry)

SoilsSome Properties of a Chrono-topsequence of Soils from Granite in New ZealandJ. A. Adams, T. W. Walker, Lincoln College (University of Canterbury)

Some Properties of a Chrono-topsequence of Soils from Granite in New Zealand

J. A. Adams, T. W. Walker, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

51 sayfa · 1975

Soils

PasturesSome Effects of Sulphur and Phosphorus on the Yield and Composition of Rape (Brassica Napus)T. W. Walker, A. F. R. Adams, Hector Douglas Orchiston

Some Effects of Sulphur and Phosphorus on the Yield and Composition of Rape (Brassica Napus)

T. W. Walker, A. F. R. Adams, Hector Douglas Orchiston · Yayınevi bilinmiyor

110 sayfa · 1954

Pastures

PhosphorusThe Fate of Phosphorus During PedogenesisT. W. Walker, John Keith Syers, Lincoln College (University of Canterbury)

The Fate of Phosphorus During Pedogenesis

T. W. Walker, John Keith Syers, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

19 sayfa · 1976

Phosphorus

Extraction (Chemistry)The Determination of Total Phosphorus in Soils and Parent MaterialsJohn Keith Syers, J. D. H. Williams, T. W. Walker, Lincoln College (University of Canterbury)

The Determination of Total Phosphorus in Soils and Parent Materials

John Keith Syers, J. D. H. Williams, T. W. Walker, Lincoln College (University of Canterbury) · Yayınevi bilinmiyor

762 sayfa · 1968*

Extraction (Chemistry)

NitrogenThe Use of Fertilizers on Herbage Cut for ConservationT. W. Walker, A. F. R. Adams, Hector Douglas Orchiston, Canterbury Agricultural College (Lincoln, N.Z.)

The Use of Fertilizers on Herbage Cut for Conservation

T. W. Walker, A. F. R. Adams, Hector Douglas Orchiston, Canterbury Agricultural College (Lincoln, N.Z.) · Yayınevi bilinmiyor

19 sayfa · 1953*

Nitrogen

CloverFate of Labelled Nitrate and Ammonium Nitrogen when Applied to Grass and Clover Grown Separately and TogetherT. W. Walker, A. F. R. Adams, Hector Douglas Orchiston, Canterbury Agricultural College (Lincoln, N.Z.)

Fate of Labelled Nitrate and Ammonium Nitrogen when Applied to Grass and Clover Grown Separately and Together

T. W. Walker, A. F. R. Adams, Hector Douglas Orchiston, Canterbury Agricultural College (Lincoln, N.Z.) · Yayınevi bilinmiyor

13 sayfa · 1956

Clover