贺州市土壤污染现状及对策

Situation and Countermeasures of Soil Pollution in Hezhou City

于2009～2010年分别对平桂区、八步区土壤污染情况进行调查。结果表明:由于长期片面追求短期经济利益,过多地施用化学农药和化肥,土壤污染较为严重,危害表现为土壤变板结、酸化加重、重金属污染、土壤肥力下降、水源污染和蔬菜品质下降;针对贺州地区蔬菜土壤污染现状,以可持续发展的理论为指导,提出贺州市蔬菜土壤污染防治的基本措施:做好宣传监测,强化环保意识,使用微生物有机肥料,使用微生物农药,应用并选育优良品种,深翻土地,轮作换茬,推广配方施肥。

The investigation of soil pollution position in Pinggui district and Babu district was conducted since 2009.The results showed that the soil pollution was serious due to excessive applying chemical pesticides and fertilizer for short-term economic benefit for a long time.So the soil turned to harden and impervious,soil acidification serious,heave metal pollution,soil fertilizer descend,water resource pollution and vegetable quality decreased.According to the soil pollution position in Hezhou,some basic countermeasures were put forward based on sustainable development theory.That is,do well in propagation and monitoring,strengthen awareness of environmental protection,use microbial and organic fertilizer and microbial pesticide,apply and breed good quality variety,deep plowing the land,carry out crop rotation and change,extend formula fertilization.