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The growth, yield and nutritional value of ginger (Zingiber officinale Roscoe) as influenced by application of organic phosphorus fertilizer and plant denseness | Abstract
An International Journal

Agricultural and Biological Research

ISSN - 0970-1907
RNI # 24/103/2012-R1

Abstract

The growth, yield and nutritional value of ginger (Zingiber officinale Roscoe) as influenced by application of organic phosphorus fertilizer and plant denseness

Omotola A Olunuga*, Zakariyah A Kamaldeen, Eze N Uchenna and Olaniyi JO

A field experiment was carried out at the Teaching and Research Farm, Ladoke Akintola University of Technology, Ogbomoso, to determine the effect of Organic Phosphorus fertilizer (Aleshinloye) and plant spacing on the growth, yield and nutritional value of ginger. The treatments consisted of five levels of organic fertilizer 0, 50, 75, 100, and 125 kg P2O5/ha applied in form of Organic Phosphorus fertilizer (Aleshinloye) and three plant spacings namely 25 × 20, 25 × 25 and 25 × 30 cm2. The 3 × 5 factorial experiments were laid out in a randomoized complete block design, replicated three times. The data collected were plant height, number of leaves, and fresh rhizome weight. The mineral nutrients and quality of ginger were also assessed.

The result showed that application of the organic fertilizer influenced the growth, yield, nutrient contents and the quality of ginger. The growth parameters increased as the applied fertilizer rate increased up to 100 kg P2O5/ha, then a declined thereafter. Likewise, the growth, yield, nutrient contents and quality of ginger increased as the organic fertilizer rate increased up to 100 kg P2O5/ha. In conclusion, the sole and or combined 100 kg P2O5/ha Organic Phosphorus fertilizer rate and spacing of 25 × 30 cm2 can be recommended for better performance of Zingiber officinale Roscoe in Ogbomoso, south west Nigeria.

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