STUDY OF EFFECTS OF SOLUBLE AND SOIL MANGANESE SULFATE ON SPRING CANOLA IN JIROFT, IRAN
2009
In order to study the effect of manganese on yield of canola, cv. Hayola-308 in Jiroft, Iran, an experiment was conducted as autumn planting during 2008-2009. The experiment was laid out as a split-plot experiment based on a Randomized Complete Block Design with four replications. The two factors were manganese sulfate spraying (main plot) at two levels of 0 and 0.5% and manganese sulfate soil application (sub-plot) at three levels of 0, 40 and 80 kg/ha. During the experiment, different morphological and quality traits including plant height, pod length, capsule number/plant, grain number/capsule, grain yield, biomass, 1000-grain weight, and oil percentage were measured. Results showed that as Mn fertilizer level increased, plant height, grain number/capsule and oil percentage increased but 1000-grain weight decreased. Mn fertilizer treatments did not affect pod length, capsule number/plant, grain number and biomass. Results suggested that soil application of manganese would be mildly more effective than its foliar application.
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