基于SPSS的果树农学参数模型构建  

Relationship model between fruit agronomic parameters based on SPSS

作　　者：沈明明[1] 张富贵[2] 彭敏[1] 

机构地区：[1]贵州师范大学职业技术学院,贵阳市550025 [2]贵州大学机械工程学院,贵阳市550025

出　　处：《中国农机化学报》2016年第7期145-148,153,共5页Journal of Chinese Agricultural Mechanization

基　　金：国家自然科学基金资助项目(31060171)

摘　　要：果树农学参数分别指树叶稀密程度、冠幅、叶面积指数(LAI),通过同时对应检测三个时期不同健康状况的175株果树的三个农学参数。以SPSS为平台进行果树农学参数模型构建,利用最大轮廓矩形法检测的果树树叶稀密程度作为自变量,冠幅和叶面积指数分别为因变量来构建果树农学参数模型:树叶稀密程度与冠幅之间的最优关系模型为对数模型:y=1.839+1.306lnx,树叶稀密程度与LAI之间的最优关系模型为S模型:z=7×e(-0.137-0.336 x)。该农学参数关系模型的构建将为实现果树农学参数的实时检测提供算法依据。Agricultural parameters are referred to crown diameter,leaf density and leaf area index.It is detected the three agronomic parameters of different health status and growing period of 175 fruit trees by the same time.With SPSS as a platform,it was built the relationship model about agronomic parameters.Fruiter leaf density,detected by the biggest rectangle method,is independent variable of the model,crown diameter and LAI are dependent variables of the model.It shows that the optimal relationship model of the fruit tree leaf density and fruiter crown diameter is the logarithmic model：y=1.839＋1.306 lnx,while the fruit tree leaf density and LAI is the S：z=7×e^（-0.137-0.336 x）.The relational model will provide the algorithm basis for real-time detection of fruit agronomic parameters.

关 键 词：果树农学参数模型 SPSS 实时检测 

分 类 号：S66[农业科学—果树学]