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The Effect of Sulfur-Containing Humic Acid on Yield and Nutrient Uptake in Olive Fruit 被引量:1
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作者 Atoosa Danyaei Sara Hassanpour +2 位作者 Mohammad Ali Baghaee maryam dabbagh Mehrdad Babarabie 《Open Journal of Ecology》 2017年第4期279-288,共10页
The combined application of organic and mineral fertilizers can be a proper way of nutrition management to increase the yield and quality and to mitigate environmental impacts of chemicals and the pertaining costs. Th... The combined application of organic and mineral fertilizers can be a proper way of nutrition management to increase the yield and quality and to mitigate environmental impacts of chemicals and the pertaining costs. The impact of different rates of sulfur-containing humic acid was studied on yield and nutrient uptake of the fruits of olive “Zard” three-year-old trees in a trial based on a Randomized Complete Block Design with three replications in Shariati College of Tehran, Iran. The studied treatment was sulfur-containing humic acid at four rates of 0, 20, 25 and 30 kg&sdot;ha&minus;1, which was applied at two stages. The highest fresh weight, dry weight, chlorophyll b, carotenoid, N and Cu contents were related to humic acid rate of 20 kg&sdot;ha&minus;1. The highest fruit length, chlorophyll a and total chlorophyll were observed in control. The highest K, Fe and Mn contents were obtained from plants treated with 30 kg&sdot;ha&minus;1 humic acid. Plants treated with 25 kg&sdot;ha&minus;1 exhibited the highest P and Zn contents. All in all, the application of sulfur-containing humic acid at different rates had favorable impacts on quantitative and qualitative traits of olive fruits. 展开更多
关键词 HUMIC Acid OLIVE SULFUR YIELD
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