INFLUENCE OF COMPOST, MICROORGANISMS AND NPK FERTILIZER UPON GROWTH, CHEMICAL COMPOSITION AND ESSENTIAL OIL PRODUCTION OF ROSMARINUS OFFICINALIS L.
The performance of compost and microorganisms was compared with standard, commercial rates of NPK fertilizers with respect to the growth, chemical composition and essential oil production of Rosmarinus officinalis L. In two successive seasons, plants treated by a mixture of compost and microorganisms showed a significant increase in vegetative growth, total N, P and carbohydrate content and essential oil production. The findings clearly indicate that compost and microorganisms could replace conventional NPK fertilizers in the cultivation of rosemary, and consequently minimize environmental pollution by these compounds.
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