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Development and application of the plant microecological preparation Zhang Li xia zhanglixia6240@163.com Department of Plant Pathology China Agricultural University Zhong Nong Lv Kang Biotech Co. Ltd 1 土壤板结 soil hardening 水体污染 water pollution The problem of agricultural production We have destroyed a third of Earth’s farmland in 40 years •Soil is being destroyed 100 X faster than it can form •To avert disaster, farmers must adopt sustainable agricultural practices based on ecological principles. /sif ter USDA NRCS SOUTH DAKOTA/FLICKR (CC BY-SA 2.0) Introduction Environmental problems; Food safety; Using beneficial microbes is a promising solution for sustainable, environmentally friendly agriculture; Requirement from consumers; Strong support from the government. Ecological agriculture Practices that require greater reliance on natural soil processes, native microorganisms, and the interactions between plants, animals, and humans. 理论指导——植物微生态学 Prof. Yanxi Chen Prof. Ruhong Mei 植物体自然生态系 植物微生态学 （1980年） 通过调节控制植株体内 有益微生物与病原物的生态 植株由细胞、组织、器官和 平衡，将病害发生降低到允 系统与微生物组成的复合体，通 许的范围内。 过调节其微生态系统，保持微生 态平衡，提高植株的健康水平， 达到增产、抗