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Effect of Biofertilizer and Humic Acid Applications on Growth, Yield, Quality and Storability of Two Garlic (Allium sativum L.) Cultivars

Keywords: Garlic , bulbs longevity , Halex-2 , cloves weight , bulbs yield , humic acid

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Abstract:

The integration of biofertilizer and Humic Acid (HA) application appears to be a good trail for saving chemical fertilizer and reducing air and soil pollution. In this admiration, two field experiments were performed during two winter seasons of 2007/2008 and 2008/2009 at the Agricultural Research Station, Faculty of Agriculture, Alexandria University, Egypt to assess the effect of two inoculation treatments of a biofertilizer (Halex-2) and three numbers of sprays with humic acid on plant growth, productivity, bulbs quality and storability of the most common garlic cultivars in Egyptian market; Balady and Chinese. The obtained results reflected generally that Balady cultivar surpassed than Chinese cultivar in plant height, total yield and shelf-life characters. The higher yield that observed in Balady cultivar was related to the increase cloves number/bulb over than Chinese one. However, Chinese cultivar showed superior performance in bulb weight trait either at harvest or after storage as a result of increasing both cloves weight and diameter more than Balady cultivar. Inoculated garlic plants with Halex-2 and sprayed with humic acid for two times showed superior effect for increasing garlic productivity. However, sprayed inoculated plants for three times via humic acid gave best results for garlic longevity throughout increasing bulbs weight and decreasing bulbs weight loose after four months of storage.

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