Investigation on the effects of foliar application of free amino acid on the quality and quantity of chickpea(var.jam) under dryland conditioný.

In order to studying effects of foliar application of free amino acid on the quality and quantity of chickpea in dryland condition, one experimental field carried out based on RCBD as factorial design with two factors included: Amino acid use (A factor), time of Amino acid application(B factor). Amino acid formulation use included four liquid formula (Aminolforte, Kadostim, Fosnutren and Humiforte) with free amino acids and with one control level. Time of amino acid application (4-6 leaf stage, flowering stage, poding stage and 4-6 leaf stage, flowering stage, poding stage). This experiment was conducted in Inseptisols soil of Maragheh agricultural research station for two years (2009-2011) with three replications. Soil samples were taken for physico-chemical analyses from 0-30cm depth in the sowing time. Plant samples were collected for physico-chemical analysis, determination of N and P absorption percent by plant. Plant samples were collected for chemical analysis, determination of N,P,K absorption percent by plant and protein percent of seeds. Results of analysis variance showed that the main effects of time of amino acid application on grain yield was significant at 1% statistical level. Interaction effect of free amino acid and time of amino acid application on grain yield was significant at 1% statistical level. Mean comparison factors on grain yield based on Duncan indicated that all treatments related to check were increased at 1%statistical level. The result showed that the highest yield 927 kg.ha-1 belonged to(humiforte + time of flowering treatment compared with control without amino acid were it increased 192 kg.ha-1. Analysis variance data showed the main effect of factor A (amino acid use) on N, P and K percent in grain and P content in drymatter were significant also data showed the main effect of factor B ( Time of amino acid use) on N, and K percent in grain and K content in drymatter were significant. The effects of interaction of factor A and factor B on N and P percent in drymatter and grain were significant at 1% and statistical level.