Abstract
The paper presents the results obtained from an experiment with different tillage systems carried out in the period 2001-2021 on the Cambic Chernozem from Fundulea. The data reflect the influence of tillage on maize yields in 2020 and 2021, two very different years from a climatic point of view (2020 – very dry, while 2021 – a medium year). In the dry year, the highest yield (3828 kg/ha) was obtained in the plots worked with the chisel which ensured a better accumulation of water in the soil, and the lowest yield was obtained in the control plots. In 2021, the highest yield (7510 kg/ha) was obtained in the variants ploughed in autumn, and the lowest in the control plots (2036 kg/ha). In both years, spring ploughing provided distinct and very significant increases in production, but much lower than fall ploughing or chiseling. The agrochemical analyzes revealed the highest values for humus, total nitrogen, available phosphorus and potassium contents, total cationic exchange capacity in the control plots, and the lowest values of these parameters in the autumn ploughed plots. The disking and spring ploughing ensured close values, but better for tillage with disks. Spring ploughing is not recommended, as it stimulates the loss of soil water and, by increasing soil aeration influences the humus decomposition. Therefore, it is recommended that spring ploughing should be replaced by tillage with disk.The short experimenting duration at Secuieni and the high soil resilience didn't allow highlighting statistically significant soil pH, humus, total nitrogen, mobile phosphorus and potassium contents changes under the influence of different soil working methods (ploughing at 20 and 30 cm, ploughing at 30 + 10 cm, chisel work at 20 cm, and discing at 12-15 cm, and combinations between them).
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Claims 7
Claim · model-written summary
Chisel tillage gave the highest maize yield in dry 2020, 3828 kg/ha.
- Treatment
- plots worked with the chisele0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 3828 kg/hae0
- Qualifier
- dry yeare0
- Comparator
- control plotse0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the dry year, the highest yield (3828 kg/ha) was obtained in the plots worked with the chisel which ensured a better accumulation of water in the soil, and the lowest yield was obtained in the control plots”
e1“The data reflect the influence of tillage on maize yields in 2020 and 2021”
Claim · model-written summary
Autumn ploughing gave the highest maize yield in 2021, 7510 kg/ha.
- Treatment
- variants ploughed in autumne0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 7510 kg/hae0
- Qualifier
- 2036 kg/hae0
- Comparator
- control plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 2021, the highest yield (7510 kg/ha) was obtained in the variants ploughed in autumn, and the lowest in the control plots (2036 kg/ha)”
e1“The data reflect the influence of tillage on maize yields in 2020 and 2021”
Claim · model-written summary
Spring ploughing significantly raised maize production in both years, less than autumn ploughing or chiseling.
- Treatment
- spring ploughinge0
- Outcome
- productione0
- Direction
- increasese0
- Comparator
- fall ploughing or chiselinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both years, spring ploughing provided distinct and very significant increases in production, but much lower than fall ploughing or chiseling”
e1“The data reflect the influence of tillage on maize yields in 2020 and 2021”
Claim · model-written summary
Control plots had the highest soil humus, total nitrogen, available phosphorus and potassium, and cation exchange capacity; autumn ploughing had the lowest.
- Outcome
- humus, total nitrogen, available phosphorus and potassium contents, total cationic exchange capacitye0
- Direction
- higheste0
- Comparator
- autumn ploughed plotse0
Not reportedTaxon
Verbatim
e0“The agrochemical analyzes revealed the highest values for humus, total nitrogen, available phosphorus and potassium contents, total cationic exchange capacity in the control plots, and the lowest values of these parameters in the autumn ploughed plots”
Claim · model-written summary
Disking gave better soil chemistry values than spring ploughing.
Not reportedTaxon
Verbatim
e0“The disking and spring ploughing ensured close values, but better for tillage with disks”
Claim · model-written summary
The authors advise replacing spring ploughing with disk tillage.
- Outcome
- spring ploughing should be replaced by tillage with diske0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Therefore, it is recommended that spring ploughing should be replaced by tillage with disk”
e1“The data reflect the influence of tillage on maize yields in 2020 and 2021”
Claim · model-written summary
At Secuieni, soil pH and measured nutrient traits showed no statistically significant differences across tillage methods.
- Outcome
- soil pH, humus, total nitrogen, mobile phosphorus and potassium contents changese0
- Direction
- didn't allow highlighting statistically significante0
- Setting
- Secuienie0
Not reportedTaxon
Verbatim
e0“The short experimenting duration at Secuieni and the high soil resilience didn't allow highlighting statistically significant soil pH, humus, total nitrogen, mobile phosphorus and potassium contents changes under the influence of different soil working methods”
The same questions in other papers
tillage · yield · Zea mays (maize)Positive and negative results
811 papers in the same direction as this paper · 230 in the opposite direction · 57 reporting no difference from an alternative
- no effect
- negative
- no effect
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