Bioscience Methods 2025, Vol.16, No.3, 117-136 http://bioscipublisher.com/index.php/bm 118 The development of modern agriculture increasingly relies on the integration of science and technology with ecological concepts. The progress of biotechnology has provided new impetus for the sustainable development of agriculture. For example, technologies such as genomic breeding, molecular marker selection, and CRISPR gene editing can cultivate new crop varieties that are resistant to pests and diseases and stress, while reducing the use of pesticides and fertilizers while increasing yields and nutritional quality. Studies have shown that the creation of insect-resistant and disease-resistant crops through biotechnology can significantly reduce the amount of pesticides used and soil damage, achieving a win-win situation of environmental friendliness and increased agricultural production. The application of biofermentation engineering, enzyme preparations, etc. in the processing and storage of agricultural products has increased the added value and processing efficiency of agricultural products (DeClerck et al., 2016; Rehman et al., 2022). At the same time, the importance of ecosystem services is becoming increasingly prominent in the sustainable development of agriculture. Healthy agricultural ecosystems can provide a variety of services including soil nutrient cycling, water conservation, pollination, and biological control. For example, soil microbial communities contribute to nutrient cycling and crop health; pollinating insects increase crop fruiting rates; and natural enemies can control pest populations. These services are essential to ensuring agricultural productivity and ecological environmental quality. Integrating the concept of ecosystem services into agricultural management can reduce dependence on chemical inputs and achieve synergy between agricultural production and ecological protection. Therefore, modern agriculture needs to give full play to the dual role of biotechnology and ecosystem services, improve resource utilization efficiency and system stability through scientific and technological innovation and ecological optimization, and thus provide support for the green development of agriculture. Green development has become the basic strategic orientation of my country's agricultural transformation in the new era. General Secretary Xi Jinping pointed out that "promoting the green development of agriculture is a profound revolution in the concept of agricultural development" and emphasized the dialectical unity of green waters and green mountains and gold and silver mountains. Since 2017, my country has launched the Green Development Action for Agriculture and issued a series of policies to encourage agricultural input reduction, resource recycling, and environmentally friendly technology promotion. These strategic measures have created favorable conditions for the biological upgrading of the agricultural industry. On the one hand, green development requires reducing the use of chemical fertilizers and pesticides, which objectively promotes the research and development and application of technologies such as biofertilizers and biopesticides. For example, by promoting biological control and integrated pest management (IPM) strategies, natural enemy insects, microbial preparations, etc. are used to replace some chemical pesticides, achieving the goal of reducing pesticides and increasing efficiency. As of recent years, the application area and market scale of biopesticides and biofertilizers in China have continued to expand, with an average annual growth rate of about 11% from 2018 to 2022, indicating that green plant protection is gradually being accepted by agricultural production (Wu et al., 2024). On the other hand, the green development strategy emphasizes the resource utilization of agricultural waste and the construction of a circular agricultural system, which provides an opportunity for the development of agricultural biomass energy and bioprocessing industries. For example, livestock and poultry manure can be used to produce organic fertilizer and biogas through biological fermentation, and straw can be converted into feed or base material through microbial treatment, which not only reduces pollution but also creates additional benefits. These practices reflect the combination of biotechnology and the concept of circular economy, and help to open up the transformation channel of the "two mountains" in agriculture. Under the guidance of policies, more and more agricultural enterprises and university research institutions are participating in agricultural green technology innovation, and the pace of agricultural biotechnology achievement transformation is accelerating. It can be said that the green development strategy has given traditional agriculture the wings of "biological upgrading" and accelerated the transformation of agricultural production methods to high efficiency, cleanliness and recycling. As a national pioneer county in agricultural green development, Pan'an has actively explored this aspect, such as being selected as the first batch of agricultural green development demonstration counties, creating a Chinese medicinal material specialty agricultural product advantage zone, and obtaining organic or geographical indication certification for many agricultural products. These all reflect the strong traction of the green strategy on the upgrading of the agricultural industry.
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