They are used in variety of field. They are used for agricultural reasons and also for commercial and ornamental purposes, like Halloween. Today the cultivation of pumpkin takes place globally. India, Mexico, Canada and United States are its largest producers. The yield of pumpkin is very good. 15th of the land is used for obtaining the yield of 100 kg. In order for the extraction purpose the seeds of the pumpkin are first cleaned and dried. By this degree of plantation one can easily extract 40 liters of oil.