Effect of compost type and level , and spraying humicacidon growth ofmaizeplant (Zea mays L.) | ||
| Euphrates Journal of Agriculture Science | ||
| Article 1, Volume 6, Issue 4, September 2014, Pages 416-425 | ||
| Abstract | ||
| Abstract The experiment was conducted in the field of extension farm in Almhnanwia in Babylon in mid July 2013 to study the effect of organic fertilizer type (poultry waste , straw wheat waste and remnants of palm fronds) with four levels (0 , 4, 8 and 12 tons.ha-1) and two levels of humic acid (spraying and without spraying ) on the growth of maize. The experiment was conducted according to randomized complete block design with three replications. Humus was sprayed for three times (25 days age , at the onset of male flowers in the grain filling stage). The results showed that , poultry waste was superior in influencing vegetative growth (plant height, number of leaves, leaf area, leaf area index and chlorophyll leaf content). All levels of compost added were superior significantly compared to control. The level of 12 tons. ha-1 was excellent in increase all above growth indicators. Spraying humic acid caused a increases in all growth indicators above. The interaction of compost type × level, compost level × humic acid spray had a significant effect on most of the indicators above , while the triple interaction had a significant effect on plant height and leaves number only. Keywords: corn , humus, organic fertilizer type, | ||
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