Effect of Different Organic Sources on Quality of Rice Grown on Certified Organic Farm at Navsari (Gujarat)

A field experiment on rice consisting of twelve treatment combinations, involving different proportionof four organics on N equivalent basis and three different organic liquid formulation sprays along with one INM (control) outside the organic farm were tested in FRBD withthree replications at organic farm, F-block, NAU, Navsari during summer season of 2011–12 and 2012–13. Among the organics treatments, O₃ recorded significantly higher values of physical quality parameters (grain length, grain breadth, L: B ratio and hulling recovery), chemical quality parameters (protein content, amylose content, alkali spreading value and gel consistency) and cooking characters (kernel length after cooking, cooking time, water uptake and volume expantion ratio) in rice grains as compared to O₂(75% N through NADEP: VC: CC (1: 1: 1) and O₁(75%N through NADEP: VC: NC (1: 1: 1) but O₄(100%N through NADEP: VC: CC (1: 1: 1)was next in ranking. Contrarily to this, elongation ratio was significantly lower with O₃ as compared to O₂ and O₁ treatments except O₄ treatment. Similarly, rice crop sprayed with treatment S₁[Banana pseudostem sap (enriched)]recorded significantly higher values of physical quality parameters (grain length, grain breadth and hulling recovery), chemical quality parameters (protein content, amylose content and gel consistency) and cooking characters (kernel length after cooking, cooking time, water uptake and volume expantion ratio) and significantly lowerelongation ratioinrice grains than rest of the liquid formulations spraying in all cases. On the other hand, L: B ratio and alkali spreading values were significantly affected due to spraying of different organic liquid formulations. But, in case of elongation ratio S₁ was on par with S₂(Vermiwash) during both the years in pooled analysis.