Abstract
Soil acidity problem is one of the bottlenecks to improve crop production in high rainfall regions of Ethiopia in general and in Banja district particular. This study aimed to determine the residual effect of lime and P fertilizer on the acid properties of soils and to develop models whereby the change in acidity indicators of soils can be predicted as a result of lime application. The experiment was laid out in a randomized complete block design with three replications. Five levels of lime (0, 1.15, 2.3, 3.45, 4.6 t ha-1) and four levels of Phosphorous (0, 10, 20, and 30 kg ha-1) were combined in a complete factorial arrangement. The study was conducted for three consecutive years from 2015 to 2017 main cropping seasons at Banja district. Mean grain yield and yield components as affected by different levels of lime and phosphorus fertilizer. Analysis of variance showed that all limed treatments were higher mean values of grain yield and yield components relative to control plot (no lime and P) in all over combined cropping years. Moreover, over year combined mean the highest grain yields (1115.9 kg ha-1), biomass yields (3591.2 kg ha-1), number of seeds per plant (21.54), plant height (64.50 cm) and spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application of plot. The lowest grain and biomass yields were recorded in control plots. However, over year mean 4.6 t ha-1 of lime application plot the grain yield and biomass yield of wheat were increased by (151.1%) and (123.3%) related to the control plot, respectively. Hence, lime application at the rate of 3.45 t ha-1 (150% of the lime requirement of the soils based on its exchangeable acidity) coupled with 20 kg ha-1 P fertilizer could serve as a reference to boosting wheat production in the study area and similar areas with possible re-liming of the soils in every five years.
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Claims 9
Claim · model-written summary
All limed treatments had higher wheat grain yield and yield components than the unlimed control.
- Taxon
- Bread Wheat
Triticum aestivumt0 - Treatment
- limed treatmentse0
- Outcome
- grain yield and yield componentse0
- Direction
- highere0
- Comparator
- control plot (no lime and P)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all limed treatments were higher mean values of grain yield and yield components relative to control plot (no lime and P)”
t0“Bread Wheat”
Claim · model-written summary
The 4.6 t ha-1 lime rate gave the highest grain yield of 1115.9 kg ha-1.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- grain yieldse0
- Direction
- higheste0
- Value
- 1115.9 kg ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain yields (1115.9 kg ha-1), biomass yields (3591.2 kg ha-1), number of seeds per plant (21.54), plant height (64.50 cm) and spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application”
t0“Bread Wheat”
Claim · model-written summary
The 4.6 t ha-1 lime rate gave biomass yield of 3591.2 kg ha-1.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- biomass yieldse0
- Direction
- higheste0
- Value
- 3591.2 kg ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain yields (1115.9 kg ha-1), biomass yields (3591.2 kg ha-1), number of seeds per plant (21.54), plant height (64.50 cm) and spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application”
t0“Bread Wheat”
Claim · model-written summary
The 4.6 t ha-1 lime rate produced 21.54 seeds per plant.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- number of seeds per plante0
- Value
- 21.54e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of seeds per plant (21.54), plant height (64.50 cm) and spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application”
t0“Bread Wheat”
Claim · model-written summary
The 4.6 t ha-1 lime rate produced plant height of 64.50 cm.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- plant heighte0
- Value
- 64.50 cme0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height (64.50 cm) and spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application”
t0“Bread Wheat”
Claim · model-written summary
The 4.6 t ha-1 lime rate produced spike length of 5.24 cm.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- spike lengthe0
- Value
- 5.24 cme0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spike length (5.24 cm) were recorded under 4.6 t ha-1 of lime application”
t0“Bread Wheat”
Claim · model-written summary
Grain yield at 4.6 t ha-1 lime increased 151.1% relative to control.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- grain yielde0
- Direction
- increasede0
- Value
- 151.1%e0
- Comparator
- control plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“4.6 t ha-1 of lime application plot the grain yield and biomass yield of wheat were increased by (151.1%) and (123.3%) related to the control plot”
Claim · model-written summary
Biomass yield at 4.6 t ha-1 lime increased 123.3% relative to control.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 4.6 t ha-1 of limee0
- Outcome
- biomass yielde0
- Direction
- increasede0
- Value
- 123.3%e0
- Comparator
- control plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“4.6 t ha-1 of lime application plot the grain yield and biomass yield of wheat were increased by (151.1%) and (123.3%) related to the control plot”
Claim · model-written summary
The authors recommend 3.45 t ha-1 lime with 20 kg ha-1 phosphorus to boost wheat production.
- Taxon
- Bread WheatTriticum aestivumt0
- Treatment
- 3.45 t ha-1e0
- Outcome
- boosting wheat productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lime application at the rate of 3.45 t ha-1 (150% of the lime requirement of the soils based on its exchangeable acidity) coupled with 20 kg ha-1 P fertilizer could serve as a reference to boosting wheat production”
t0“Bread Wheat”
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