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http://dx.doi.org/10.5333/KGFS.2005.25.2.097

Introducing Strip Cropping for Decreasing the Damage of the Continous Corn Cultivation  

Lim, Keun-Bal (National Livestock Research Institute, RDA)
Lee, Hyun-Jun (National Livestock Research Institute, RDA)
Ahn, Byung-Suk (National Livestock Research Institute, RDA)
Sung, Byung-Ryul (National Livestock Research Institute, RDA)
Shin, Jae-Sun (National Livestock Research Institute, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.25, no.2, 2005 , pp. 97-104 More about this Journal
Abstract
This experiment was conducted to introduce strip croppings fur decreasing the damage of the continuous com cultivation at the experimental field of Grassland and Forage Crops division, National Livestock Research Institute from 1999 to 2000. Introduced mps for strip cropping to the continuously com cultivated field were red clover (RC), alfalfa(AL), and mixture of grass md legume. Fall panicum(FP), which is one of warm season's weeds was focused on its emerged quantity in com field changed by the level of soil water content and degree of the continuous corn cultivation. The ranges of yearly gained forage fresh yields including weeds like mainly FP were 119.4 ${\~}$ 169.6 in the continuous cultivation with com and rye and 64.9 ${\~}$ 83.3 ton / ha in the corn mono-cropping. Meanwhile, the percentages of pure com in continuous com cultivation plot were only $31-38\%$. This was for the mainly emergence of FP in the continuously com cultivated field. The ranges of average fresh yield of emerging FP were 45.6${\~}$63.4 ton/ ha in the continuously com cultivated field which were over the ranges of yields of rye, 28.2 ${\~}$ 41.6 ton/ ha. The dry matter yields of red clover, alfalfa and mixture with grass and legume introduced for strip cropping were 10.2, 10.6 and 10.6 ton / ha, respectively and these were about the 1/4 average fresh com yield. After strip cropping of red clover, alfalfa and mixture with grass and legume, the yields of corn increased to 56, 82, 88 and 79 ton / ha, respectively and com yield was much better in the alfalfa strip cropping.
Keywords
Strip cropping; Weed; Fall panicum; Corn; legume;
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