Abstract
Wheat growth and yield response were evaluated in a greenhouse experiment using two major soils, Nitosols and Vertisols. Sorption capacities of the soils and crop response were employed to determine the availability of nutrients in the two soils. Eight fertilizer treatments (Optimum (Opt.),Optimum-N, Optimum-P,Optimum-K,Optimum-S,Optimum-B,Optimum-Zn and control) in Nitosols and six fertilizer treatments (Optimum, Optimum-N, Optimum-P, Optimum-S, Optimum-B and control) in Vertisols were arranged in completely randomized design (CRD) with five replications using wheat variety (Digalu) as a test crop. Deficiency in total N, available P, S and B was observed in the two soils. Besides, K and Z in Nitisols were less than three times the critical values. The result indicated that applications of optimum fertilizer significantly (P<0.05) increased plant height, spike length, number of seeds per spike, straw yield, grain yield and total biomass yield. Similarly, it resulted in an increase in grain yield of 75 and 68% over the controls in Nitosols and vertisols respectively. Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols. Omission of K and Zn in Nitisols also causes up to 9.4 and 4.7% grain yield reduction. Thus, external supplies of these nutrients could be recommended for optimum production of wheat. Key words: Grain yield, Nitisols, nutrient concentrations in plants, soil nutrient contents, Vertisols.
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Claims 17
Claim · model-written summary
Total N, available P, S and B were deficient in both soils.
- Taxon
- wheat
Triticum aestivumt0 - Outcome
- Deficiency in total N, available P, S and Be0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Deficiency in total N, available P, S and B was observed in the two soils.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
K and Z in Nitisols were below three times their critical values.
- Taxon
- wheat
Triticum aestivumt0 - Outcome
- K and Z in Nitisolse0
- Value
- less than three times the critical valuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Besides, K and Z in Nitisols were less than three times the critical values.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Optimum fertilizer significantly increased wheat height, spike length and seeds per spike.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- optimum fertilizere0
- Outcome
- plant height, spike length, number of seeds per spikee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“applications of optimum fertilizer significantly (P<0.05) increased plant height, spike length, number of seeds per spike, straw yield, grain yield and total biomass yield”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Optimum fertilizer significantly increased straw, grain and total biomass yields.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- optimum fertilizere0
- Outcome
- straw yield, grain yield and total biomass yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“applications of optimum fertilizer significantly (P<0.05) increased plant height, spike length, number of seeds per spike, straw yield, grain yield and total biomass yield”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Optimum fertilizer raised grain yield by 75% over controls in Nitosols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- optimum fertilizere1
- Outcome
- grain yielde0
- Direction
- increasee0
- Value
- 75e0
- Comparator
- controlse0
- Setting
- Nitosolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“increase in grain yield of 75 and 68% over the controls in Nitosols and vertisols respectively”
t0“wheat (Triticum aestivum L.)”
e1“applications of optimum fertilizer”
Claim · model-written summary
Optimum fertilizer raised grain yield by 68% over controls in vertisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- optimum fertilizere1
- Outcome
- grain yielde0
- Direction
- increasee0
- Value
- 68%e0
- Comparator
- controlse0
- Setting
- vertisolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“increase in grain yield of 75 and 68% over the controls in Nitosols and vertisols respectively”
t0“wheat (Triticum aestivum L.)”
e1“applications of optimum fertilizer”
Claim · model-written summary
Omitting N reduced wheat grain yield by 65.6% in Nitosols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Ne0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 65.6e0
- Setting
- Nitosolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting P reduced wheat grain yield by 23.4% in Nitosols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Pe0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 23.4e0
- Setting
- Nitosolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting S reduced wheat grain yield by 4.7% in Nitosols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Se0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 4.7e0
- Setting
- Nitosolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting B reduced wheat grain yield by 3.1% in Nitosols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Be0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 3.1%e0
- Setting
- Nitosolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting N reduced wheat grain yield by 69.4% in vertisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Ne0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 69.4e0
- Setting
- vertisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting P reduced wheat grain yield by 22.4% in vertisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Pe0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 22.4e0
- Setting
- vertisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting S reduced wheat grain yield by 14.1% in vertisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Se0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 14.1e0
- Setting
- vertisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting B reduced wheat grain yield by 15.3% in vertisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Be0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 15.3%e0
- Setting
- vertisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of N, P, S, and B were resulted in grain yield reduction by 65.6, 23.4, 4.7, and 3.1% in Nitosols and by 69.4, 22.4, 14.1, and 15.3% in vertisols.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting K reduced wheat grain yield by up to 9.4% in Nitisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Ke0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 9.4e0
- Setting
- Nitisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of K and Zn in Nitisols also causes up to 9.4 and 4.7% grain yield reduction.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
Omitting Zn reduced wheat grain yield by up to 4.7% in Nitisols.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- Zne0
- Outcome
- grain yielde0
- Direction
- reductione0
- Value
- 4.7%e0
- Setting
- Nitisolse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Omission of K and Zn in Nitisols also causes up to 9.4 and 4.7% grain yield reduction.”
t0“wheat (Triticum aestivum L.)”
Claim · model-written summary
External nutrient supplies are recommended for optimum wheat production.
- Taxon
- wheat
Triticum aestivume0 - Outcome
- optimum production of wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“external supplies of these nutrients could be recommended for optimum production of wheat”
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