Effect of Conservation Tillage on Soil Properties, Field Capacity, Fuel Consumption, and Wheat Yield in the Wheat-Corn Rotation

1, 1; Karami, Alidad; Rousta, Mohammad Javad

doi:10.22092/erams.2018.115837.1222

Document Type : Original Article

Authors

¹ Associate Professor, Department of Agricultural Engineering Research, Fars Research and Education Center for Agriculture and Natural Resources, AERO, Shiraz, Iran. P.O.Box:71555-617.

² Asistant Professor, Department of Soil and Water Research, Fars Research and Education Center for Agriculture and Natural Resources, AERO, Shiraz, Iran. P.O.Box:71555-617.

³ Associate Professor, Department of Soil Conservation and Watershed Management Research, Fars Research and Education Center for Agriculture and Natural Resources, AERO, Shiraz, Iran. P.O.Box:71555-617.

https://doi.org/10.22092/erams.2018.115837.1222

Abstract

This study was conducted using a randomized complete block experimental design with five treatments and four replications in Marvdasht region, Fars province, for four years. Treatments included: 1) reduced tillage, 2) wheat and corn direct seeding, 3) corn direct seeding for four years, wheat direct seeding for the first two years and the fourth year, and conventional planting in the third year, 4) wheat direct seeding for four years, corn direct seeding for the first two years and the fourth year, and conventional planting in the third year, and 5) conventional tillage. Results showed that direct seeding and reduced tillage methods decreased fuel consumption, compared to the conventional tillage for 80% and 58%, respectively. Effective field capacity for seed bed preparation and planting increased in direct seeding and reduced tillage methods compared to the conventional tillage for 6 and 3 times, respectively. Conservation tillage methods also increased soil moisture retention (maximum of 32%) with respect to conventional tillage. However, there was no significant difference between tillage methods from the soil aggregates point of view; conservation tillage methods had more stable soil aggregates. For the first three years, wheat yield was significantly affected by the tillage methods (conventional tillage was practiced in most of these years); whereas, there was no significant difference between tillage methods for wheat yield in the fourth year of the study.

Keywords

References

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Agricultural Mechanization and Systems Research

Effect of Conservation Tillage on Soil Properties, Field Capacity, Fuel Consumption, and Wheat Yield in the Wheat-Corn Rotation

References

References

Volume 20, Issue 72 - Serial Number 72
July 2019
Pages 163-178

Effect of Conservation Tillage on Soil Properties, Field Capacity, Fuel Consumption, and Wheat Yield in the Wheat-Corn Rotation

References

References

Volume 20, Issue 72 - Serial Number 72July 2019Pages 163-178

Volume 20, Issue 72 - Serial Number 72
July 2019
Pages 163-178