بررسی کاربرد محلول پاشی کود مایع بر عملکرد و اجزای عملکرد برنج رقم فجر

Foliar application increased nutrient productivity and nutrient deficiency eliminated in the short term compared with its soil application. In order to study effect of Alton fertilizer on yield and yield components of rice plant, a field experiment was conducted in Rice Research Institute of Iran- Deputy of Mazandaran in 2010. The experimental design was factorial based on randomized block design with three replications on Fajr variety . Concentration factor was at three levels and application time was four levels and control
treatment without spraying was considered. Results showed that the spraying time treatments of Alton fertilizer at different growth stages of Fajr variety has statistically significant effect in 5 percent level on grain yield and panicle length. The most of grain yield was obtained in T2 treatment (middle tillering + heading stage) equal to 6373 kg/ha (increasing 6.3 % yield compared to the control). Lowest grain yield was obtained in control treatment (no spraying) to amount of 5993 kg/per. Concentration of foliar application did not show significant differences on grain yield and yield components.