Plant availability of heavy metals in a soil amended with a high dose of sewage sludge under drought conditions

AN EXAMINATION OF THE DEGTJAREFF METHOD FOR DETERMINING SOIL ORGANIC MATTER, AND A PROPOSED MODIFICATION OF THE CHROMIC ACID TITRATION METHOD

Allan Walkley, I. ARMSTRONG BLACK · Soil Science · 1934 · 21.7K citations · Full text

Agriculture, Earth Sciences, Soil Sciences +14

Development of a DTPA Soil Test for Zinc, Iron, Manganese, and Copper

W. L. Lindsay, W. A. Norvell · Soil Science Society of America Journal · 1978 · 9.8K citations

Agriculture, Agronomy, Soil Sciences +17

Sap Pressure in Vascular Plants

P. F. Scholander, Edda D. Bradstreet, Edvard A. Hemmingsen et al. · Science · 1965 · 4.5K citations

Life Sciences, Plant Biology, Plant Sciences +16

Soil microbiology and biochemistry

Choice Reviews Online · 1989 · 3K citations

Agriculture, Microbiology, Soil Sciences +12

STUDIES IN THE WATER RELATIONS OF THE COTTON PLANT

P. E. Weatherley · New Phytologist · 1950 · 1.3K citations · Full text

Life Sciences, Botany, Plant Sciences +14