STUDIES ON FERTILIZATION REQUIREMENTS OF TURMERIC (Curcuma domestica Val.) PLANT A- Effect of chemical fertilizer, yeast and biofertilization on vegetative growth of turmeric

Document Type : Research articles.

Authors

1 Ornamental Horticulture Department, Faculty of Agriculture, Cairo University

2 Cultivation and Production of Medicinal & Aromatic Plants Department, National Research Center, Dokki, Giza

Abstract

This study was carried out in the Experimental Farm of Faculty of
Agriculture, Cairo University, Egypt during two successive seasons 2004,
2005 to investigate the effect of chemicals, yeast and biofertilization on
vegetative growth of turmeric (Curcuma domestica Val.) plant.
One level of the following bacterial strains mixture was used:
Azotobacter chroococcum, Azospirillum lipoferum, Bacillus polymixa,
Bacillus megatherium and Pseudomonas fluorescence. Also one level
(6g/litre) of active dry yeast (Saccharomyces cerevisiae), in addition to
three levels from the recommended dose (zero, 50% and 75%) of nitrogen
and phosphorus (120 N kg/hectar and 60 P2O5 kg/hectar) were applied.
The results of these experiments can be summarized as follows:
The treatment of biofertilizer + 75% of the recommended dose of both
nitrogen and phosphorus fertilizer led to the highest values of vegetative
parameters such as (plant height, stem diameter and leaf area) compared to
control plants. Also, it increased rhizome fresh and dry weight per plant
and per feddan) compared to using active dry yeast + the same treatment of
chemical fertilizers or using chemical fertilizers alone.

Keywords

Fayoum Journal of Agricultural Research and Development
Volume 22, Issue 1
January 2008
Pages 106-123

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