Nitrogen loss through subsurface drainage effluent in coastal rice field from India

Standard methods: For the examination of water and waste water

Analytical Biochemistry · 1990 · 72.5K citations · Full text

Natural Resources, Environmental Engineering, Environmental Sciences +10

Diagnosis and Improvement of Saline and Alkali Soils

L. A. Richards · Soil Science · 1954 · 9.2K citations

Agriculture, Agronomy, Soil Sciences +11

Total nitrogen determination in plant material by means of the indophenol-blue method.

I. Novamsky, R. van Eck, C. Van Schouwenburg et al. · Netherlands Journal of Agricultural Science · 1974 · 339 citations · Full text

Agriculture, Botany, Plant Sciences +9

An improved hydrazine reduction method for the automated determination of low nitrate levels in freshwater

Malcolm T. Downes · Water Research · 1978 · 239 citations

Natural Sciences, Chemistry, Environmental Engineering +9

Effects of controlled drainage on nitrate concentrations in subsurface drain discharge

V. Lalonde, Chandra A. Madramootoo, L. Trenholm et al. · Agricultural Water Management · 1996 · 124 citations

Natural Resources, Environmental Sciences, Hydrology +15