Abstract
Poor crop productivity, high cost of inorganic fertilizers and low crop response to inorganic fertilizers are major problems that affect sustainability of crop production in Southwestern Ethiopia. Application of inorganic fertilizers at rates much below the recommendation, which is mainly due to the limited economic capacity of smallholder farmers, has become the underlying cause of poor crop productivity along with the worsening soil acidity condition in the region. Hence, the effect of integrated soil fertility management on the productivity of maize was investigated on acidic nitosols of the region as a cheaper and sustainable alternative to the sole application of inorganic fertilizers. Different proportions of inorganic fertilizers, compost and Tithonia biomass were therefore tested on-farm using RCB design. Grain yield of maize (kg haG 1 ) was significantly affected by soil fertility management practices (p<0.05). Data collected in 2010 indicated that 50% recommended NP and 50% compost gave the highest grain yield of maize (4360 kg haG 1 ) compared to the control which gave the lowest yield (1920 kg haG 1 ). Similar yield response pattern was also observed in 2011. Integrated use of inorganic fertilizers and organic sources of plant nutrients has therefore, shown remarkable potential for efficient nutrient supply in maize based cropping systems on acidic nitosols of Southwestern Ethiopia. However, the potential role of various organic materials including Tithonia to ameliorate soil acidity or mitigate its effects on crop productivity need to be further investigated.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 4
Claim · model-written summary
Maize grain yield was significantly affected by soil fertility management practices (p<0.05).
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield of maize”
e1“was significantly affected by soil fertility management practices (p<0.05)”
Claim · model-written summary
In 2010, 50% recommended NP plus 50% compost gave the highest maize grain yield, 4360 kg per ha, compared with the control, which gave the lowest yield.
- Treatment
- 50% recommended NP and 50% composte0
- Outcome
- grain yield of maizee0
- Direction
- higheste0
- Value
- 4360 kg haG 1e0
- Qualifier
- 1920 kg haG 1e0
- Comparator
- controle0
- Setting
- Southwestern Ethiopiat0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“50% recommended NP and 50% compost gave the highest grain yield of maize (4360 kg haG 1 ) compared to the control which gave the lowest yield (1920 kg haG 1 )”
t0“Southwestern Ethiopia”
Claim · model-written summary
A similar yield response pattern of maize was also observed in 2011.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield of maize”
e1“Similar yield response pattern was also observed in 2011”
Claim · model-written summary
The authors conclude that integrated use of inorganic fertilizers and organic nutrient sources shows remarkable potential for efficient nutrient supply in maize-based cropping systems on acidic Nitosols.
- Treatment
- Integrated use of inorganic fertilizers and organic sources of plant nutrientse0
- Outcome
- efficient nutrient supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Integrated use of inorganic fertilizers and organic sources of plant nutrients has therefore, shown remarkable potential for efficient nutrient supply in maize based cropping systems on acidic nitosols of Southwestern Ethiopia”
The same questions in other papers
nanoparticle · yield · Zea mays (maize)Positive and negative results
214 papers in the same direction as this paper · 11 in the opposite direction · 7 reporting no difference from an alternative
- positive
- positive
- positive
229 papers more in this group
See all 233 papers →fertilization · yield · Zea mays (maize)Positive and negative results
3,484 papers in the same direction as this paper · 338 in the opposite direction · 85 reporting no difference from an alternative
- positive
- positive
- positive
3,904 papers more in this group
See all 3,908 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.