A study on the biomass of rice field ecosystem during slack winter season in xiangtan suburb 湘潭市郊稻田生态系统冬闲期间植物群落的生物量的研究
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Health and biodiversity of field ecosystem ; agricultural pollution control ; environmental quality and clean agricultural production . innocent treatment and utilization of rural disposals 农田生态系统健康与生物多样性;农业环境污染控制;产地环境质量与农业清洁生产;农村废弃物资源化利用与无害化处理。