Combined effects of zeolite, humic acid and potassium sulphate on yield and qualitative characters of potato (Solanum tuberosum L.)
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 3, Issue 6
Abstract
In order to study the effects of zeolite in the integrative consumption with chemical fertilizers on nutrient uptake and qualitative traits of potato (Solanum tuberosum L.), an experiment was conducted at Aliabad-Bastam village in a factorial arrangement with randomized complete block design with three replication. Experimental factors including zeolite in three levels of control (zero), three and six tons per hectare, humic acid in two levels as control and 2500 ppm, and the potassium sulfate in three levels as control, 250 and 500 milliliters. Results showed that all the main factors had significant effects on tuber yield, nutrient content in the tubers and starch content. The highest tuber yield as the most important traits was obtained from the plants treated with six tons per hectare of zeolite. Under different treatments, significant increase was obtained in starch content which the highest ones was observed in in the plants treated with 6 tons zeolite per hectare. A similar trend was obtained for nutrient content in the tubers. The highest levels of nutrients in the tuber also found in the interaction effect of zeolite with humic acid treatment Finally, it can be concluded that the nutrient demand of potato plants could be supplied by integration of chemical fertilizers with zeolite as it was the best factor in this study and present a new way for decreasing the chemical inputs as a goal of sustainable agriculture.
Authors and Affiliations
Mahyar Ghannad, Shahram Ashraf, Zarin Taj Alipour
Keywords
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