Gupta, P.K. Soil, plant, water and fertilizer analysis / [by] P.K.Gupta - 2nd ed. - Jodhpur Agrobios 2007 - 350 pages. Include Appendix and references ISBN: 8177543067 Subjects--Topical Terms: SoilsSoil-AnalysisSoil chemistryFertilizersSoil fertility Dewey Class. No.: 631.4 / GUP