County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils

Macronutrients (N, P, and K) are essential to plants but also can be harmful to the environment when their available concentrations in soil are excessive. Availability ratios (available concentration/total concentration) of macronutrients may reflect their transforming potential between fixed and av...

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Bibliographic Details
Main Authors: Mingkai Qu, Weidong Li, Chuanrong Zhang
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Applied and Environmental Soil Science
Online Access:http://dx.doi.org/10.1155/2014/689482
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