A Landsat data transformation method which was proposed by the author was applied to extract useful information from data of 769 ground feature classification
The effect of accompanying anions on the adsorbability and extractability of Pb added in soils was studied by using bach equilibria and incubation-extraction m
INTRODUCTION A lot 0fwork has been done on the variation of natural ~(15)N abundance in soils andtheir N components (Chen et al., 1964). However, these reports