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Ammonium losses through subsurface drainage effluent from rice fields of coastal saline sodic clay soils

M. Singh ; A. Bhattacharya ; T. Nair ; AL Et | 2001

Subsurface tile drainage systems with drain spacings of 15 m in 0.4 ha and 25 m in 3.2 ha were installed at the farmers' field in 1986 and 1987, respectively, to study their effect on the reclamation of the coastal saline sodic clay soils. The s[...]

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