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The floristic composition of paddy fields and their levees under different weed management techniques
floristic composition paddy fields different weed management techniques
2009/3/11
To clarify the characteristics of the floristic composition, three different weed management techniques, namely (1) the herbicide application at paddy fields and their levees, (2) hand weeding with ...
Water management method for decreasing of herbicide runoff from paddy fields
paddy field herbicide runoff from paddy field “water stoppage management” nonflooded paddy
2009/3/10
Water management method for decreasing of herbicide runoff from paddy fields.
Utilization of leaves in paddy fields and around levee for making cocoons by a water beetle Hydrophilus affinis Sharp
Hydrophilus affinis egg cocoon levee weed leaf wrapping
2009/3/10
The water beetle Hydrophilus affinis inhabits paddy fields where it uses the leaves of weeds for constructing cocoons within which it lays its eggs. Recently, abundance of H.affinis has decreased ma...