00591nam a2200205Ia 4500 170901s1986 xx 000 0 und d 631.6209546 R19D Rao, K.V.G.K Drainage Investigations for Salinity Control in Haryana Karnal Cental Soil Salinity Research Institute 1986 95 Agriculture and related technologies Technology (Applied sciences) Drainage Haryana Salinity control Gupta, R.K Singh, O.P ddc BK 14076 14076 0 0 ddc 0 0 RAU RAU 2017-10-18 0 631.6209546 R19D 41297 2017-10-18 2017-10-18 BK