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Raw material zeolite from Sukabumi miningENHANCING OF GROWTH, ESSENTIAL OIL YIELD AND COMPONENTS OF YARROW PLANT (Achillea millefolium) GROWN UNDER SAFE AGRICULTURE CONDITIONS USING ZEOLITE AND COMPOST
E. M. Z. Harb and M. A. Mahmoud
Agricultural Botany Department, Plant Physiology, Faculty of Agriculture, Cairo University, Giza, Egypt
ABSTRACT
The unique cation exchange, adsorption, hydration-dehydration and catalytic operties of natural zeolites (as granules) loaded with micronutrients, have promoted their use in clean agriculture as soil amendments and slow-release fertilizers. This research was conducted in open field to investigate the effects of natural zeolite, organic fertilizer (compost) and combination of them on herb growth, oil yield and components of Yarrow plants (Achillea millefolium). The results indicated that zeolite loaded with micronutrients mixed with organic fertilizer led to significant increase in fresh weight, dry weight,number of flowers, total chlorophylls, carbohydrates content, oil yield as well as major ingredients of essential oil, and mineral nutrients, in comparison with the recommended dose of chemical fertilizers NPK (control) under the same conditions. These results undoubtedly confirm that zeolite and organic fertilizer (compost) mixture could replace the application of chemical fertilizers and consequently improve the quality and quantity of Achillea yield. This application may have direct impacts on safety and efficacy of herbal active constituents which entail for medicinal and aromatic products. Besides minimizing economic costs and pollution of agricultural environment.
Key words: Achillea millefolium , chemical fertilizers, organic fertilizer, yarrow plant , zeolite.
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