Response of Rice Varieties to different levels of silica and potassium in North Iran

ABSTRACT: The effect of different amounts of silica and Chloror potassium fertilizers on yield and yield components Hashemi and Ali Kazemi, a factorial experiment in rice-based design Randomized complete block with three replicates in crop year 2011 the farm was located in the city of Astaneh Ashrafiyeh. It included three levels silica and potassium Chloror, and the figure that the first factor in the two level 0 and 375 kg per hectare, the second factor in the three levels of 0, 175 and 350 kg per hectare and the third factor in the two digit level of Hashemi and Ali Kazemi was. Results showed that the fertilizer silica fertile tillers in both cultivars decreased and increased the number of fertile tillers. Increase the number of fertile tillers increased the straw yield. Fused with fertilizer and grain number per panicle fertilizer potassium Chloror and potassium Chloror, silica and minor increase in consumption of fertilizers increased grain and straw yield and various amounts of silica and potassium Chloror, a highly significant difference in both there was a figure. Silica and potassium Chloror fertilizers taking the maximum and minimum grain yield in the Hashemite With 4647 and 3341 kg per hectare and the maximum and minimum grain yield with Ali Kazemi, respectively 4050 and 3110 kg per hectare respectively. Cultivars in all traits were significant differences with each other.