| ecosystemwith flowering plants around the paddy field for build up the habitat and food sources of helpful insectsbefore growing rice were conducted in Ang Thong, Nakhon Nayok and Chiang Rai province.The experiment plots were done during May to October 2011. Sampling arthopod by D-vac sucking machine in seedling, tillering, booting and heading stages. Results showed that the most of arthropod are natural enemies species more than pest species. Shannon-Wiener diversity index in the ecological engineering plots had increased where as the control plots had decreased. It found that, planting the flowering plants around the bund could be increased the arthropod in the paddy field. Especially planting the flowers could increased the number of predators and... |
