Ecological studies on tubers of arrowhead (Sagittaria trifolia L.) a perennial weed in the paddy fields
1997
Ito, K. (Agricultural Research Center, Tsukuba, Ibaraki (Japan))
In order to develop the effective methods to control arrowhead (Sagittaria trifolia L.), a perennial weed increasing in the paddy fields in Japan, the ecological studies were performed mainly on the formation, sprouting and population flux of the tubers which are more significant propagules than the seeds under the present agricultural practices
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