Efficiency of controlled drainage and subirrigation in reducing nitrogen losses from agricultural fields

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

Rapid colorimetric determination of nitrate in plant tissue by nitration of salicylic acid

D.A. Cataldo, M. Maroon, L. E. Schrader et al. · Communications in Soil Science and Plant Analysis · 1975 · 3.3K citations

Agriculture, Agronomy, Plant Sciences +6

Non-conventional water resources and opportunities for water augmentation to achieve food security in water scarce countries

Muhammad Farhan Qadir, B. R. Sharma, Adriana Bruggeman et al. · Agricultural Water Management · 2006 · 561 citations

Natural Resources, Sustainable Agriculture, Water Resources Management +17

4526029 Particle size analysis

Environment International · 1986 · 222 citations

Natural Sciences, Physics, Particle Physics +6

Drainage Control to Diminish Nitrate Loss from Agricultural Fields

J. W. Gilliam, R. W. Skaggs, S. B. Weed · Journal of Environmental Quality · 1979 · 216 citations

Agriculture, Hydrology, Soil Sciences +17