This paper shows that rice-fish co-culture can control diseases, insect pests and weeds.

Rice-duck and rice-fish co-culture systems are a major production systems in rice paddy fields in Southern China. Studying methane and nitrous oxide emissions and their economic value from those ecosystems can provide a theoretical and practical basis for further development and utilization of such traditional techniques. Methane and nitrous oxide emissions...

The integrated rice-duck co-culture is a type of integrated production system used in paddy fields and a major model of planting and breeding in south China, opening a new way of sustainable development for rice and waterfowl production. This paper discusses the effects of stocking rates of ducks on the...

A field experiment on nitrogen dynamics and cycling in integrated rice-duck and rice-fish ecosystems in subtropical region of China was conducted from May to September in 2007. The experiment field was equally divided into nine plots for three different treatments: conventional rice field (CK), integrated rice-duck ecosystem (RD) and rice-fish...

Zizania-rice rotation system was established and treated by 3 fertilizing methods. We analyzed the effects of fertilizer treatments on the environment and crop yield of zizania-rice rotation system. Results showed that the organic fertilizer was beneficial to zizania-rice rotation system both in ecological terms and for soil fertility. Soil in...

The growth conditions of three kinds of aquatic plant was researched in purification experiments. We analyzed three different concentrations of eutrophic water and three species of aquatic plants, namely Acorus calamus, Typha orientalis and Iris tectorum. Nitrogen and phosphorus removal capacity of eutrophic water were analyzed. The results showed that Typha...