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The Impact of Organic and Chemical Fertilizers on the Growth of Cordia Abyssinica Plant

Sallam Ahmed Algauri
Summary

The experiment was carried out in mid-2009 at a balcony extended between eastern and western sides of a building located at Habrah area, Sana`a, to study the impact of the organic and chemical fertilizers on the growth of Cordia abyssinica plant. The seeds were taken from a cordia abyssinica planted at the research farm in Mareb province. The seed's gelatin layer was removed by rubbing it with a sand to ease the germination process. A metal cans used to plant the seeds were of 7.5 cm and 15 cm diameter, and 10 cm and 18 cm depth respectively. Twelve cans were used to plant the seeds and each treatment contained four cans while three cans only were allocated for plants cultivation. The experiment included three treatments [a control "without fertilization", organic and chemical fertilizer]. The organic fertilizer treatment has tremendously exceeded other both treatments in all studied features especially leaves area, at five times. The compost has improved the natural qualities of soil, especially water retention and good ventilation. It raised soil temperature and accelerated seed germination, improving thus plant growth. Little variation was observed between both treatments (chemical fertilizer and the control) in all studied features.

Key Words :Cordia Abyssinica, Extinction, Local Compost, Plants.

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