Abstract
A field trial was conducted at TADCO to evaluate the mechanical harvest of autumn potato crop under different soil amendments: sand, gypsum, cow manure, and granular sulfur. The application of the sand amendment to the soil of the pivot showed easier mechanical and semi-mechanical harvest. The potato yield under the mechanical harvest was less than semi-mechanical harvest by 15.48% at the different soil amendments. More bruises were observed on the potato tubers harvested by mechanical harvest which ranged 9.34-16.33%, while bruises at semi-mechanical harvest ranged 4.28-4.75%. The final yield of stored potato was less than harvested yield by 10.68, 7.78%, 14.85, 11.08 for the sand, gypsum, cow manure, and sulfur amendments respectively. The stored yield of the different treatments was significantly less than the yield of the test harvest by around 24.03-32.24% at J34 and by 29.64 -56.27% at F18 and this was due to harvest method, cleaning out the damaged potato and moisture loss. The results of this trial highlighted the importance of selecting pivots for growing potato to be with less clay and more sand; also, it highlighted the importance of leaving the wheat straw to decompose in the soil instead of burning to improve the soil structure to be suitable for mechanical harvest. The sand amendment was not suitable for TADCO crop production as it is difficult to apply, need more time to execute besides less productivity. Due to one-month delay in planting potato, the average yield of stored potato from the trial pivots reached 20.2 M.T. /Ha which is significantly less than the yield of stored potato from the other pivots at TADCO of the same season with a range of 27-43 M.T. /Ha.
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Claims 14
Claim · model-written summary
Sand amendment made mechanical and semi-mechanical harvest easier.
- Taxon
- Potato
Solanum tuberosumt0 - Treatment
- sand amendmente0
- Outcome
- mechanical and semi-mechanical harveste0
- Direction
- easiere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The application of the sand amendment to the soil of the pivot showed easier mechanical and semi-mechanical harvest.”
t0“Potato”
Claim · model-written summary
Mechanical harvest yielded 15.48% less potato than semi-mechanical harvest.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- mechanical harveste0
- Outcome
- potato yielde0
- Direction
- lesse0
- Value
- 15.48%e0
- Comparator
- semi-mechanical harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The potato yield under the mechanical harvest was less than semi-mechanical harvest by 15.48% at the different soil amendments.”
Claim · model-written summary
Mechanical harvesting caused 9.34-16.33% potato tuber bruising.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- mechanical harveste0
- Outcome
- bruisese0
- Direction
- Moree0
- Value
- 9.34-16.33%e0
- Comparator
- semi-mechanical harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“More bruises were observed on the potato tubers harvested by mechanical harvest which ranged 9.34-16.33%, while bruises at semi-mechanical harvest ranged 4.28-4.75%.”
Claim · model-written summary
Semi-mechanical harvesting caused 4.28-4.75% potato tuber bruising.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- semi-mechanical harveste0
- Outcome
- bruisese0
- Value
- 4.28-4.75%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“More bruises were observed on the potato tubers harvested by mechanical harvest which ranged 9.34-16.33%, while bruises at semi-mechanical harvest ranged 4.28-4.75%.”
Claim · model-written summary
Storage reduced potato yield under sand amendment by 10.68.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- sande0
- Outcome
- final yield of stored potatoe0
- Direction
- lesse0
- Value
- 10.68e0
- Comparator
- harvested yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The final yield of stored potato was less than harvested yield by 10.68, 7.78%, 14.85, 11.08 for the sand, gypsum, cow manure, and sulfur amendments respectively.”
Claim · model-written summary
Storage reduced potato yield under gypsum amendment by 7.78%.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- gypsume0
- Outcome
- final yield of stored potatoe0
- Direction
- lesse0
- Value
- 7.78%e0
- Comparator
- harvested yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The final yield of stored potato was less than harvested yield by 10.68, 7.78%, 14.85, 11.08 for the sand, gypsum, cow manure, and sulfur amendments respectively.”
Claim · model-written summary
Storage reduced potato yield under cow manure amendment by 14.85.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- cow manuree0
- Outcome
- final yield of stored potatoe0
- Direction
- lesse0
- Value
- 14.85e0
- Comparator
- harvested yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The final yield of stored potato was less than harvested yield by 10.68, 7.78%, 14.85, 11.08 for the sand, gypsum, cow manure, and sulfur amendments respectively.”
Claim · model-written summary
Storage reduced potato yield under sulfur amendment by 11.08.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- sulfure0
- Outcome
- final yield of stored potatoe0
- Direction
- lesse0
- Value
- 11.08e0
- Comparator
- harvested yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The final yield of stored potato was less than harvested yield by 10.68, 7.78%, 14.85, 11.08 for the sand, gypsum, cow manure, and sulfur amendments respectively.”
Claim · model-written summary
Stored yield was 24.03-32.24% lower than test harvest yield at J34.
- Taxon
- Potato
Solanum tuberosumt0 - Outcome
- stored yielde0
- Direction
- lesse0
- Value
- 24.03-32.24%e0
- Comparator
- yield of the test harveste0
- Setting
- J34e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The stored yield of the different treatments was significantly less than the yield of the test harvest by around 24.03-32.24% at J34 and by 29.64 -56.27% at F18”
t0“Potato”
Claim · model-written summary
Stored yield was 29.64 -56.27% lower than test harvest yield at F18.
- Taxon
- Potato
Solanum tuberosumt0 - Outcome
- stored yielde0
- Direction
- lesse0
- Value
- 29.64 -56.27%e0
- Comparator
- yield of the test harveste0
- Setting
- F18e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The stored yield of the different treatments was significantly less than the yield of the test harvest by around 24.03-32.24% at J34 and by 29.64 -56.27% at F18”
t0“Potato”
Claim · model-written summary
The authors recommend pivots with less clay and more sand for potato.
- Taxon
- potato
Solanum tuberosume0 - Outcome
- selecting pivots for growing potato to be with less clay and more sande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The results of this trial highlighted the importance of selecting pivots for growing potato to be with less clay and more sand”
Claim · model-written summary
The authors recommend leaving wheat straw to decompose rather than burning it.
- Taxon
- Potato
Solanum tuberosumt0 - Outcome
- leaving the wheat straw to decompose in the soil instead of burninge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“it highlighted the importance of leaving the wheat straw to decompose in the soil instead of burning to improve the soil structure to be suitable for mechanical harvest.”
t0“Potato”
Claim · model-written summary
Sand amendment was judged unsuitable for TADCO production due to application difficulty and lower productivity.
- Taxon
- Potato
Solanum tuberosumt0 - Outcome
- sand amendment was not suitable for TADCO crop productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The sand amendment was not suitable for TADCO crop production as it is difficult to apply, need more time to execute besides less productivity.”
t0“Potato”
Claim · model-written summary
Delayed planting was associated with stored potato yield of 20.2 M.T. /Ha, below other pivots at 27-43 M.T. /Ha.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- one-month delay in planting potatoe0
- Outcome
- average yield of stored potatoe0
- Direction
- lesse0
- Value
- 20.2 M.T. /Hae0
- Qualifier
- 27-43 M.T. /Hae0
- Comparator
- other pivots at TADCOe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Due to one-month delay in planting potato, the average yield of stored potato from the trial pivots reached 20.2 M.T. /Ha which is significantly less than the yield of stored potato from the other pivots at TADCO of the same season with a range of 27-43 M.T. /Ha.”
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