The willingness of returning migrant workers to purchase houses has an important impact on local urbanization.At present,there are few researches on the willingness of returning migrant workers to purchase houses.The ...The willingness of returning migrant workers to purchase houses has an important impact on local urbanization.At present,there are few researches on the willingness of returning migrant workers to purchase houses.The existing researches mostly focus on the perspective of sociology and economics,and few studies are conducted from the perspective of geography.Based on the survey data of 45 villages in Henan Province of China in 2019,this study used binary logistic method to study the influencing factors of the willingness of returning migrant workers to purchase houses.The willingness of returning migrant workers to purchase houses is affected by many factors,such as personal,family,village,and returning factors.Among them,age and returning period are negatively correlated with the willingness of returning migrant workers to purchase houses.Factors such as years of education,years of working,and per capita income of village are positively correlated with the willingness of returning migrant workers to purchase houses.Returning migrant workers in plains and hilly areas are more willing to purchase houses than those in mountainous areas.The formation of the willingness to purchase houses is mainly related to economic foundation,age,marital status,and other factors.Returning migrant workers are becoming more willing to purchase houses,and the expected locations are mainly concentrated in the county seats.In the context of China’s high density of rural population and rapid urbanization,more returning migrant workers are expected to purchase houses in cities and towns for the sake of employment,marriage,children’s education,and access to public services.As a result,there is an extensive market of potential purchasers,which affects the development of the local urban real estate industry and is of great significance for returning migrant workers to truly integrate into the cities.However,some returning migrant workers still choose to purchase houses in villages,mainly affected by traditional concepts,living habits,and the better development of villages.Therefore,it is of great practical significance to explore the willingness of returning migrant workers to purchase houses,so as to master the flow laws and future behavior of returning migrant workers to purchase houses.展开更多
温室樱桃番茄生育期模拟是研究樱桃番茄发育过程与环境因子关系的重要内容,为制定温室樱桃番茄无土栽培管理策略、准确预测生育期进程、实现精准化管理,本研究通过定量分析日光温室樱桃番茄的生长发育进程及对光温的反应特性,设置不同...温室樱桃番茄生育期模拟是研究樱桃番茄发育过程与环境因子关系的重要内容,为制定温室樱桃番茄无土栽培管理策略、准确预测生育期进程、实现精准化管理,本研究通过定量分析日光温室樱桃番茄的生长发育进程及对光温的反应特性,设置不同生态地点的不同播期试验,采用钟模型、生理发育时间(Physiological Development Time,PDT)和有效积温(Growing Degree Day,GDD)3种方法对日光温室樱桃番茄的动态发育过程进行模拟,并利用独立的试验资料对模型适应性和预测精度进行检验。结果表明,较PDT、GDD法钟模型对樱桃番茄生育期预测精度具有较高的精度和适应性。钟模型对日光温室樱桃番茄幼苗期、花期、坐果期、采收期及全生育期的1∶1直线间的R^(2)、归一化均方根误差(normalized Root Mean Square Error,nRMSE)和根均方差(Root Mean Square Error,RMSE)分别为0.82、1、0.95、0.96、0.99,19.57%、4.17%、9.52%、6.83%、5.24%和2.40、2.29、1.50、2.23、6.06 d。本研究结果可为日光温室樱桃番茄发育模型提供理论依据和建模思路。展开更多
基金financially supported by the National Natural Science Foundation of China(41771190,42001337)。
文摘The willingness of returning migrant workers to purchase houses has an important impact on local urbanization.At present,there are few researches on the willingness of returning migrant workers to purchase houses.The existing researches mostly focus on the perspective of sociology and economics,and few studies are conducted from the perspective of geography.Based on the survey data of 45 villages in Henan Province of China in 2019,this study used binary logistic method to study the influencing factors of the willingness of returning migrant workers to purchase houses.The willingness of returning migrant workers to purchase houses is affected by many factors,such as personal,family,village,and returning factors.Among them,age and returning period are negatively correlated with the willingness of returning migrant workers to purchase houses.Factors such as years of education,years of working,and per capita income of village are positively correlated with the willingness of returning migrant workers to purchase houses.Returning migrant workers in plains and hilly areas are more willing to purchase houses than those in mountainous areas.The formation of the willingness to purchase houses is mainly related to economic foundation,age,marital status,and other factors.Returning migrant workers are becoming more willing to purchase houses,and the expected locations are mainly concentrated in the county seats.In the context of China’s high density of rural population and rapid urbanization,more returning migrant workers are expected to purchase houses in cities and towns for the sake of employment,marriage,children’s education,and access to public services.As a result,there is an extensive market of potential purchasers,which affects the development of the local urban real estate industry and is of great significance for returning migrant workers to truly integrate into the cities.However,some returning migrant workers still choose to purchase houses in villages,mainly affected by traditional concepts,living habits,and the better development of villages.Therefore,it is of great practical significance to explore the willingness of returning migrant workers to purchase houses,so as to master the flow laws and future behavior of returning migrant workers to purchase houses.
文摘温室樱桃番茄生育期模拟是研究樱桃番茄发育过程与环境因子关系的重要内容,为制定温室樱桃番茄无土栽培管理策略、准确预测生育期进程、实现精准化管理,本研究通过定量分析日光温室樱桃番茄的生长发育进程及对光温的反应特性,设置不同生态地点的不同播期试验,采用钟模型、生理发育时间(Physiological Development Time,PDT)和有效积温(Growing Degree Day,GDD)3种方法对日光温室樱桃番茄的动态发育过程进行模拟,并利用独立的试验资料对模型适应性和预测精度进行检验。结果表明,较PDT、GDD法钟模型对樱桃番茄生育期预测精度具有较高的精度和适应性。钟模型对日光温室樱桃番茄幼苗期、花期、坐果期、采收期及全生育期的1∶1直线间的R^(2)、归一化均方根误差(normalized Root Mean Square Error,nRMSE)和根均方差(Root Mean Square Error,RMSE)分别为0.82、1、0.95、0.96、0.99,19.57%、4.17%、9.52%、6.83%、5.24%和2.40、2.29、1.50、2.23、6.06 d。本研究结果可为日光温室樱桃番茄发育模型提供理论依据和建模思路。
