Abou El-Khair, E., Al-Esaily, I., Ismail, H. (2010). EFFECT OF FOLIAR SPRAY WITH HUMIC ACID AND GREEN MICROALGAE EXTRACT ON GROWTH AND PRODUCTIVITY OF GARLIC PLANT GROWN IN SANDY SOIL. Journal of Productivity and Development, 15(3), 335-354. doi: 10.21608/jpd.2010.42420
El sayed Abou El-Khair; Ibrahem Al-Esaily; Hany Ismail. "EFFECT OF FOLIAR SPRAY WITH HUMIC ACID AND GREEN MICROALGAE EXTRACT ON GROWTH AND PRODUCTIVITY OF GARLIC PLANT GROWN IN SANDY SOIL". Journal of Productivity and Development, 15, 3, 2010, 335-354. doi: 10.21608/jpd.2010.42420
Abou El-Khair, E., Al-Esaily, I., Ismail, H. (2010). 'EFFECT OF FOLIAR SPRAY WITH HUMIC ACID AND GREEN MICROALGAE EXTRACT ON GROWTH AND PRODUCTIVITY OF GARLIC PLANT GROWN IN SANDY SOIL', Journal of Productivity and Development, 15(3), pp. 335-354. doi: 10.21608/jpd.2010.42420
Abou El-Khair, E., Al-Esaily, I., Ismail, H. EFFECT OF FOLIAR SPRAY WITH HUMIC ACID AND GREEN MICROALGAE EXTRACT ON GROWTH AND PRODUCTIVITY OF GARLIC PLANT GROWN IN SANDY SOIL. Journal of Productivity and Development, 2010; 15(3): 335-354. doi: 10.21608/jpd.2010.42420
EFFECT OF FOLIAR SPRAY WITH HUMIC ACID AND GREEN MICROALGAE EXTRACT ON GROWTH AND PRODUCTIVITY OF GARLIC PLANT GROWN IN SANDY SOIL
1Hort. Research Institute, Agriculture Research Center, Giza, Egypt.
2Hort. Department, Faculty of Agriculture, Zagazig University, Egypt.
Abstract
The present work was carried out in vegetable private farm at El-Kassasein Distract, Ismailia governorate during two successive winter seasons of 2008/2009 and 2009/2010, to evaluate the effect of foliar spray with both humic acid (HA) at 0, 0.1and 0.2 % and green microalgae extract (GMAE) of Scenedesmus sp. at 0, 0.1 and 0.2 % as well as their interactions on nutrient content and uptake as well as photosynthetic pigments. Consequently, growth and yield of garlic (sids-40) under sandy soil conditions using drip irrigation system. Spraying garlic plants with HA at 0.2 % or with GMAE at 0.2 % recorded the maximum values of N,P and K uptake in bulb and N,P and K total uptake, chlorophyll a, b, total (a+b) and carotenoids, total dry weight, average bulb weight , yield of grades 1 and 2 and total yield/fed. without significant differences by spraying with GMAE at 0.1 % with respect yield and its components. The interaction between spraying of garlic plants with HA at 0.2 % and GMAE at 0.2% was the best interaction treatment for enhancing N,P and K total uptake, total dry weight, while average bulb weight , yield of grades 1 and 2 and total yield/fed. were increased with the interaction between HA at 0.2 % and GMAE at 0.1 or 0.2 % . Conclusively,from foregoing results of this study, it could be concluded that spraying of garlic plants with HA at 0.2 % and GMAE at 0.2% increased mineral uptake, plant growth and total yield of garlic under sandy soil conditions. Keywords : Garlic, humic acid, green microalgae extract, NPK uptake and total yield. The present work was carried out in vegetable private farm at El-Kassasein Distract, Ismailia governorate during two successive winter seasons of 2008/2009 and 2009/2010, to evaluate the effect of foliar spray with both humic acid (HA) at 0, 0.1and 0.2 % and green microalgae extract (GMAE) of Scenedesmus sp. at 0, 0.1 and 0.2 % as well as their interactions on nutrient content and uptake as well as photosynthetic pigments. Consequently, growth and yield of garlic (sids-40) under sandy soil conditions using drip irrigation system. Spraying garlic plants with HA at 0.2 % or with GMAE at 0.2 % recorded the maximum values of N,P and K uptake in bulb and N,P and K total uptake, chlorophyll a, b, total (a+b) and carotenoids, total dry weight, average bulb weight , yield of grades 1 and 2 and total yield/fed. without significant differences by spraying with GMAE at 0.1 % with respect yield and its components. The interaction between spraying of garlic plants with HA at 0.2 % and GMAE at 0.2% was the best interaction treatment for enhancing N,P and K total uptake, total dry weight, while average bulb weight , yield of grades 1 and 2 and total yield/fed. were increased with the interaction between HA at 0.2 % and GMAE at 0.1 or 0.2 % . Conclusively,from foregoing results of this study, it could be concluded that spraying of garlic plants with HA at 0.2 % and GMAE at 0.2% increased mineral uptake, plant growth and total yield of garlic under sandy soil conditions.
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