Nitrate distribution in tropical soils

Abstract

At the beginning of the wer season, D e c e m b e r 1958, sodium chloride at t h e rate of 2000 p o u n d s per acre was h a n d b r o a d c a s t e d on triplicate plots, 4 × 12 feet on each soll type. I m m e d i a t e l y a d j a c e n t to these p]ots (the "'chloride plots") were triplicate plots, 8 × 12 feet, receiving no salt (the ùnitrate plots"). In order to avoid chloride c o n t a m i n a t i o n from the NaC1 --121 --