Effects of Rate, Source,and Method of Zinc Fertilizer Application on Quantitative and Qualitative Characteristics of Rice (Choram 1)

Most of the soils in Kohgiluyeh Va Boyerahmad province are calcareous and where micronutrient deficiency especially zinc, is reported a lot. Therefore two years experiment was carried out at choram. In order to study the effect of source, amount and methods of zinc application. Experiment had 8 fertilizer treatments. Soil application and foliar spraying of ZnSo4 and root exposure to 2% Zno suspension. Design was in a completely randomized block (RCBD) with tree replication. The results showed that in first year, zinc application increased yield significantly at 5% probability level. The highest yield was 7508 kg/ha with application of 40 kg Zn sulfate /ha in addition to foliar spraying ZnSo4 with 0.003 concentration. In the second year, fertilizer application increased yield significantly at 1% probability level. Grain yield was 3988 kg/ha in control, which increased to 6366 kg/ha with application of 40 kg Zn /ha soil application in addition to foliar spraying of znso4. Results showed that soil application of 40 kg znso4/ha plus foliar spraying of 3/1000 znso4 increases the rice yield.