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Journal of Soil Sciences and Agricultural Engineering
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Taha, A., Omar, M., Ghazy, M. (2016). Effect of Humic and Fulvic Acids on Growth and Yield of Lettuce Plant.. Journal of Soil Sciences and Agricultural Engineering, 7(8), 517-522. doi: 10.21608/jssae.2016.39782
A. Taha; M. Omar; M. Ghazy. "Effect of Humic and Fulvic Acids on Growth and Yield of Lettuce Plant.". Journal of Soil Sciences and Agricultural Engineering, 7, 8, 2016, 517-522. doi: 10.21608/jssae.2016.39782
Taha, A., Omar, M., Ghazy, M. (2016). 'Effect of Humic and Fulvic Acids on Growth and Yield of Lettuce Plant.', Journal of Soil Sciences and Agricultural Engineering, 7(8), pp. 517-522. doi: 10.21608/jssae.2016.39782
Taha, A., Omar, M., Ghazy, M. Effect of Humic and Fulvic Acids on Growth and Yield of Lettuce Plant.. Journal of Soil Sciences and Agricultural Engineering, 2016; 7(8): 517-522. doi: 10.21608/jssae.2016.39782

Effect of Humic and Fulvic Acids on Growth and Yield of Lettuce Plant.

Article 1, Volume 7, Issue 8, August 2016, Page 517-522  XML PDF (378.37 K)
Document Type: Original Article
DOI: 10.21608/jssae.2016.39782
Authors
A. Taha; M. Omar; M. Ghazy
Soils Department, Faculty of Agriculture, Mansoura University, Egypt
Abstract
A pot experiment was carried out during the winter season of 201 4 under alluvial soil at the green house of Soils Dept. Faculty of Agriculture, MansouraUniversity. The aim of this experiment is to study the response of lettuce plant to different rates of humic substances (humic and fulvic acids).The experiment treatments included four different application rates of humic and fulvic acid (0, 7, 10 and 13 kg fed-1) using three methods of application (soil, fertigation and foliar applications). The used experimental design was a split plot design with three replicates for each treatment .The effects of soil applications, fertigation and foliar of humic substances on the plant growth and some nutrient elements uptake of lettuce (Lactuca sativa L.) grown under different rates were examined. The results of the present study showed that the significant effects of different application rates of humic substances on   fresh and dry weights, plant height, N%, P % and K%. The results indicated that the highest values of fresh and dry weight of shoot   as well as plant height (cm) were at foliar addition of fulvic acid at 13 kg fed-1 treatment. Also, the nutrient content (N, P, and K) of lettuce was significantly increased with raising of application rates of humic substances..     
Keywords
Lettuce plants; Humic acid; Fulvic acid , Nutrient content, Plant growth
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