Abstract
Soil quality indices (SQI) have been suggested in recent decades as tools for evaluating soil management practice effects on soil quality. With the completion of the GAP project about half of the 3.2 million ha of agricultural land (1.7 million ha) will be used for irrigated agriculture. New intensive agricultural systems are expected to change the soil quality in the region. It is, therefore, imperative to monitor the soil quality for sustainable use and management in the region. The objective of this research was to determine the effects of soil tillage methods (plough and chisel processes and no tillage) of Harran Plain selected soil physical and chemical (bulk density, saturation percentage, porosity, aggregate stability, organic matter content, soil pH, available N, P, and K) properties, all of which were identified as possible soil quality indicators. For this purpose this study was arranged in randomized blocks with three replications at the experimental area of Sanliurfa Rural Development Research Institute in 1996 and 1997. The results of our 2-year study on the use of a SQI to assess were monitored at regular intervals, and yield of the maize were compared to soil tillage methods. Data from soil tillage methods were used to calculate the SQI values for the different treatments. Results revealed that treatment of soil tillage methods improved yield of maize bur did not change or increase quality of surface soil as indicated by increased values of soil quality indicators. Our results showed that the cross tillage with plough be conducted to assess the effects of different soil tillage methods on soil quality index and increasing maize yields.
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Claims 3
Claim · model-written summary
Soil tillage treatments improved maize yield.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results revealed that treatment of soil tillage methods improved yield of maize bur did not change or increase quality of surface soil as indicated by increased values of soil quality indicators.”
Claim · model-written summary
The authors report that tillage did not improve surface soil quality despite increased indicator values.
- Treatment
- soil tillage methodse0
- Outcome
- quality of surface soile0
- Direction
- did not change or increasee0
- Qualifier
- increased values of soil quality indicatorse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results revealed that treatment of soil tillage methods improved yield of maize bur did not change or increase quality of surface soil as indicated by increased values of soil quality indicators.”
Claim · model-written summary
The authors recommend cross tillage with a plough for maize yield and soil quality assessment.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results showed that the cross tillage with plough be conducted to assess the effects of different soil tillage methods on soil quality index and increasing maize yields.”
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tillage · quality: general · Zea mays (maize)Positive and negative results
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