PHYSIOLOGICAL RESPONSE AND YIELD OF PEPPER PLANTS (CAPSICUM ANNUM L.) TO ORGANIC FERTILIZATION

2008, 9 (4)   p. 715-721

Małgorzata BEROVA, Georgios KARANATSIDIS

Abstract

The experience was brought out to the experimental fi eld of the Agroecological Centre at the Agricultural University of Plovdiv which owns a Certifi cate of ecological farm work. The research was carried out on two pepper cultivars: Gorogled 6 and Buketen 50 – intended for production of red pepper for grinding. For the purpose of the experiment a bio-fertilizer, produced by the Californian earthworm Lumbricus rubellus was used. Two levels of the bio-fertilizer were applied - 50 and 100 ml/per plant. It was determined that the bio-fertilizer speeds up plant growth. It infl uences the growth rate of the roots and stems and affects the formation of the foliage. The bio-fertilizer has a positive effect upon the functional activity of the photosynthetic apparatus /increased content of photosynthetic pigments, improved leaf gas exchange/. The biofertilizer also infl uences the yield (raw material for drying). The highest effect has been achieved at application of 100 ml fertilizer to the Gorogled 6 cultivar.

Keywords

leaf gas exchange, capsicum annuum l., earthworm (lumbricus rubellus), yield

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