摘要
果园土壤管理作为果树生产中的关键环节,在改变土壤结构,协调土壤水、肥、气、热等方面有重要作用。我国果区立地条件差,气候、土壤条件各异,果园管理者需要综合考量不同土壤管理方式的利弊,方能做出科学选择。就此,综述了近年来果园清耕制、生草制、覆盖制在土壤水分和温度、土壤微生物和酶以及土壤养分等方面的研究成果,重申了覆盖制和生草制在果园土壤管理方面的重要作用。同时对果园科学土壤管理制度的建立提出了以下建议:覆盖制应充分考虑覆盖材料成本及其对土壤环境的长期影响;生草制的推广应充分考虑地区间降水差异和果园灌溉条件;土壤管理方式应与果园其他管理措施密切配合,灵活运用。
引文
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