Introducing the new planting methods for cultivation of alfalfa cultivars in highly saline soils
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 8
Abstract
Salinity stress is an important environmental factor which decreases crops growth, development and production. It is an essential problem in arid and semi-arid regions. Selecting planting method and salinity-resistant cultivar is one of the most important strategies used for mitigating salinity effects on alfalfa. Therefore, the current study was carried out using as a split-plot experiment based on Randomized Complete Block Design with three replications in order to determine the most appropriate planting method and salinity-resistant alfalfa cultivar. In this study, the planting method with four levels including pitting, drilling, shallow furrow and transplanting methods constituted the main plot and alfalfa cultivars including Baghdadi, Nikshahri, Bami and Mesaseresa constituted the sub-plot. The results showed that planting method and cultivar significantly affected fresh and dry forage yield. Furrow and pitting planting methods produced the highest fresh forage yield (66.7 and 57.4 t/ha in 10 harvests, respectively). Bami and Baghdadi produced the highest fresh forage yield (61.1 and 50.3 t/ha, respectively). The highest dry forage yield was produced by furrow and pitting planting methods (17.1 and 14.6 t/ha, respectively). The interaction of Bami cultivar with furrow and pitting planting methods produced the highest dry forage yield (16.7 and 16.3 t/ha, respectively) which did not show significant difference with Baghdadi × furrow planting method (16.26 t/ha dry forage yield). Finally, Bami and Baghdadi cultivars with furrow and pitting planting methods were recommended for highly saline soils.
Authors and Affiliations
Gholamreza Afsharmanesh and Ahmad Aien
Keywords
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