关键词: 观赏鱼, 观赏鱼, 氨氮, 亚硝氮, 安全浓度, 抗氧化酶

Abstract: The paper aims to explore the combined elements of leisure agriculture and modern agricultural parks by analyzing the adaptability of leisure agriculture elements in specific regions (modern agricultural parks), so as to make leisure agriculture a pivot for efficient development of modern agricultural parks. Taking the forest fruit industrial park of Luannan as an example, we analyzed the combination points of modern agricultural park type and leisure agriculture in Hebei, as well as the embodiment of leisure elements in the park, analyzed the development thinking of leisure agricultural park and the application factors of leisure agriculture in the study area and so on, and found the deficiencies, thus to conclude that building leisure elements of modern agricultural park should take into consideration of the advantages of regional characteristics, resources and environment, and human elements, and rely on scientific and technological strength to improve the workforce quality and promote the integration of the primary, secondary and tertiary industry.