Prediction of mineral nutrient status of trees by foliar analysis

Soil chemical analysis

Journal of the Franklin Institute · 1958 · 4.7K citations

Agriculture, Chemistry, Soil Sciences +7

A Flexible Growth Function for Empirical Use

F. J. RICHARDS · Journal of Experimental Botany · 1959 · 4.2K citations

Life Sciences, Plant Biology, Plant Sciences +12

Methods of Analysis for Soils, Plants and Waters

HOMER D. CHAPMAN, P. F. Pratt · Soil Science · 1962 · 2.5K citations

Agriculture, Earth Sciences, Soil Sciences +12

The determination of amino-acids with ninhydrin

E. W. Yemm, E. C. Cocking, R. E. Ricketts · The Analyst · 1955 · 2.3K citations

Life Sciences, Biochemistry, Protein Biochemistry +6

A modified ninhydrin colorimetric analysis for amino acids

Hyman Rosen · Archives of Biochemistry and Biophysics · 1957 · 2.2K citations

Natural Sciences, Biochemistry, Chemistry +7