Gardening can relieve human stress and boost nature connection during the COVID-19 pandemic

The COVID-19 pandemic has severely disrupted social life. Gardens and yards have seemingly risen as a lifeline during the pandemic. Here, we investigated the relationship between people and gardening during the COVID-19 pandemic and what factors influenced the ability of people to garden. We examined survey responses (n = 3,743) from gardeners who reported how the pandemic had affected personal motivations to garden and their use of their gardens, alongside pandemic-related challenges, such as food access during the first wave of COVID-19 (May-Aug 2020). The results show that for the respondents, gardening was overwhelmingly important for nature connection, individual stress release, outdoor physical activity and food provision. The importance of food provision and economic security were also important for those facing greater hardships from the pandemic. While the literature on gardening has long shown the multiple benefits of gardening, we report on these benefits during a global pandemic. More research is needed to capture variations in public sentiment and practice – including those who do little gardening, have less access to land, and reside in low-income communities particularly in the global south. Nevertheless, we argue that gardening can be a public health strategy, readily accessible to boost societal resilience to disturbances.     

蚯蚓在现代农牧业中的应用研究

蚯蚓可消除畜禽废弃物公害,可为养殖业提供优质蛋白质原料和治疗多种畜禽疾病,有利于建立农业良性结构,实现农牧结合。因此,以蚯蚓为链条的生态循环农业是促进现代农牧业发展的有效途径。     

一个山区农场生态农业系统的分析与评价

供试农场生态农业系统由加工业，牲猪，沼气池，桔园，鱼池和农田６个系统组成。本文运用“黑箱理论”和方法，对６个子系统的投入能量，产出能量，能量效益及投能结构进行了分析。全系统的能量产投科为０．８１，光能利用率为１．５５％，产品能与总投能之比为３７．８％，单位产值含能量为１８８．３ＧＪ／万元，系统投入的有机能占总投能的９５％。从系统的Ｎ素循环和动态平衡分析表明：农田，桔园的Ｎ素输入均大于输出，Ｎ素处于     

论中国古代农民职业教育的特点和途径

为了对中国古代农民职业教育有比较全面的认识,在文献资料的基础上,对中国古代农业职业教育的特点和途径进行探讨。中国古代农民职业教育有起源久远、受众面广、内容丰富、方法灵活多样等显著特点,主要是通过家庭教育、农业专家指导、朝廷设置农业机构督导以及编著农书传播农业经验等途径完成的。通过对农民职业教育的研究,对今天农业科技转化和社会发展进步有着重要的促进和借鉴意义。     

Error Sources on Yield-Based Fertilizer Variable Rate Application Maps

Spatially-variable application of inputs to agricultural fields is dependent upon accuracy of the input variables. The effects of boundary determination, interpolation method, and GPS location errors were studied for determining a variable rate nitrogen application map based upon yield maps of a 3.6 ha Florida citrus block. A general linear model for the mean absolute error approximated the error effects.     

利川市山区马铃薯规模化种植的实践与思考

为了探索出一种独具特色的马铃薯规范化、规模化种植模式,基于利川市山区马铃薯规模化种植基地建设情况,结合利川市实际情况,按照优质高效、农旅融合的农业高质量发展要求,对推进马铃薯规模化种植的经验进行总结,提出加强科技支撑、优化发展模式、做好新型职业农民培训、创新管理模式、强化品牌效应的建议。     

基于GIS的赤峰市设施农业精细化气候区划与分析

为了科学开展设施农业建设,避免盲目扩大产业规模所带来的潜在风险,本研究利用赤峰市14个气象站近30年(1989-2018年)的气象观测资料,分析了影响设施农业生产的关键气象因子,确定了以年日照时数、冬季平均最低气温为设施农业气候资源区划指标,以年大风日数、年冰雹次数、年大雪及以上降雪次数和冬季≤-25℃低温日数为设施农...     

Japanese service sector multinationals and the hierarchy of Pacific Rim cities

The explosive growth of Japanese service sector activities overseas since 1985 has had a significant impact on Pacific Rim cities. However, previous accounts of Japanese direct foreign investment in services have been constrained by official statistics which provide comparative information only at a national level. This paper uses establishment level data to assess changes in the spatial patterns of Japanese service firms among 35 cities as well as changes in the hierarchy of cities in the Pacific during the years 1985 to 1995. The period saw important changes in Japan’s economy such as the emergence of a ‘bubble economy’ up to 1990 and domestic recession after that. The results show the importance of Hong Kong, Singapore and Los Angeles as centres of Japanese service firms. However, the analysis indicates that a shift occurred in Japanese service sector focus over the study period, across the Pacific Rim from North America and Oceania to cities of the Asia-Pacific region. Along with that shift the concentration of services in just a few cities has remained unchanged, even though some new cities have emerged in importance.     

黑龙江省农业机械化发展主要影响因素分析

应用农业技术经济学原理建立数学模型,对影响黑龙江省农业机械化发展因素分析,确定了农民收入、农机产品价格、作物种植的单一性、农业劳动力数量、农业劳动力价格、机械化作业的难易程度、土地经营规模、农业机械化支持政策八个因素为黑龙江省农业机械化发展的主要影响因素,并对这些影响因素进行了系统分析,提出了黑龙江省发展农业机械化的建议与意见。