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大城市蔬菜供应状况的好坏是关系到千家万户的大事。做好各类蔬菜上市过程及其量的预测,将能为城市蔬菜的均衡供应提供有用的信息。 蔬菜生产有其特殊之处。不仅品种多,且收获部位也不同。在收获时间上,蔬菜又不象其它作物那样集中,而是分期分批采收、不断上市,前后可持续数月。这些特点决定了蔬菜预测的特殊性。本文以上海地区果实类蔬菜中豇豆及蕃茄为例,来讨论其上市过程的定量预测。
The availability of vegetables in the big cities is a big event that affects millions of households. Doing a good job of forecasting the amount of all kinds of vegetables going on the market will provide useful information for the balanced supply of urban vegetables. Vegetable production has its own special features. Not only varieties, and harvested parts are also different. At the harvest time, vegetables are not concentrated like other crops. Instead, they are collected in batches and kept on the market for several months before and after. These characteristics determine the particularity of vegetable prediction. In this paper, Shanghai vegetable fruit vegetables cowpea and tomato, for example, to discuss the quantitative prediction of its listing process.