- Volume 46 Issue 6
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Evaluation of Soil Loss According to Surface Covering and Tillage Methods in Corn Cultivation
- Lee, Jeong-Tae (Highland Agriculture Research Center, National Institute of Crop Science, RDA) ;
- Lee, Gye-Jun (Highland Agriculture Research Center, National Institute of Crop Science, RDA) ;
- Ryu, Jong-Soo (Highland Agriculture Research Center, National Institute of Crop Science, RDA) ;
- Kim, Jeom-Soon (Highland Agriculture Research Center, National Institute of Crop Science, RDA) ;
- Han, Kyung-Hwa (National Academy of Agricultural Science, RDA) ;
- Park, Seok-Ho (National Academy of Agricultural Science, RDA)
- Received : 2013.10.08
- Accepted : 2013.11.22
- Published : 2013.12.31
Corn was mainly cultivated in slope land during summer season when heavy rain falls so that soil loss occurs severely. Especially, soil disturbance and exposure of topsoil by conventional tillage intensifies soil loss by heavy rain. The aim of this study was to develop surface covering and tillage methods for reducing soil loss in corn cultivation. The experiment was conducted in 17% sloped lysimeter with 8 treatments including strip tillage after surface covering with rye residue, strip tillage after residue covering of several crops and sod culture, black polyethylene film covering after conventional tillage and control. Amount of runoff water and eroded soil, and corn growth were investigated. Amounts of runoff water in all plots except black polyethylene plot ranged from 152 to 375
Grant : Cooperative Research Program for Agricultural Science & Technology Development
Supported by : Rural Development Administration
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