Abstract
All over the world, attention has been drawn to the use of eco-friendly biochar application to improve crop productivity. In Ghana, there are available potential feedstocks left unused and can be used for the production of biochar. Therefore, this study investigated the effect of different rates of rice husk biochar and different rates of inorganic nitrogen (N) on the growth of Zea mays in Nyankpala, Northern Ghana. Field experiments were conducted in the cropping period of 2012. The treatments involved 4 different rates of inorganic nitrogen fertilizer (0 kg Nha-1, 30 kg Nha-1, 60 kg Nha-1 and 90 kg Nha-1) and 3 different rates of rice husk biochar (0 ton ha-1, 2 ton ha-1 and 4 ton ha-1). The treatments were allocated in a split-plot design with three replications. The vegetative parameters assessed were the number of leaves, plant height and plant girth. Treatments showed a significant (p<0.05) influence on all the traits considered. The combined effects of inorganic nitrogen fertilizer and rice husk biochar significantly influenced the vegetative growth parameters of Zea mays with the maximum values recorded at 4 ton ha-1rice husk biochar. Yet, this observation corresponds with 2 ton ha-1 rice husk biochar which recorded optimum growth parameters compared to the control. Within the limit of this work, it was concluded that growth parameters of Zea mays in the Guinea Savannah Eco-Zone of Ghana could significantly be improved by applying 4 ton ha-1 rice husk biochar. Integrated soil fertility management (ISFM), a prudent combination of inorganic fertilizers and residues from various sources to sustain the environment is currently a necessity. The experiment revealed that the application of rice husk biochar can improve the growth parameters of Zea mays. Yet, further experiments need to be done using higher rates of rice husk biochar to ensure the appropriate rate of biochar application.
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Claims 3
Claim · model-written summary
Combined inorganic nitrogen fertilizer and rice husk biochar significantly influenced vegetative growth parameters of Zea mays.
Zea maysNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The combined effects of inorganic nitrogen fertilizer and rice husk biochar significantly influenced the vegetative growth parameters of Zea mays”
Claim · model-written summary
Applying 2 ton ha-1 rice husk biochar gave optimum growth parameters of Zea mays compared to the control.
- Treatment
- 2 ton ha-1 rice husk biochare2
- Outcome
- growth parameterse2
- Direction
- optimume2
- Comparator
- controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the vegetative growth parameters of Zea mays”
e2“2 ton ha-1 rice husk biochar which recorded optimum growth parameters compared to the control”
Claim · model-written summary
Applying 4 ton ha-1 rice husk biochar could significantly improve growth parameters of Zea mays in the Guinea Savannah Eco-Zone of Ghana.
- Treatment
- 4 ton ha-1 rice husk biochare3
- Outcome
- growth parameterse3
- Direction
- improvede3
- Qualifier
- Within the limit of this worke3
- Setting
- Guinea Savannah Eco-Zone of Ghanae3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Within the limit of this work, it was concluded that growth parameters of Zea mays in the Guinea Savannah Eco-Zone of Ghana could significantly be improved by applying 4 ton ha-1 rice husk biochar”
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