Analyses of Farmers’ StrawDisposal Condition and Biomass Supply Cost for Power

Abstract:

In order to analyze the problem of straw shortage from the perspective of farmers, an investigation was conducted. Among the respondents, 59.3% burned the straw, and 82.3% did not sell the straw to any enterprise. Four scenarios with three stubble heights are established. An mathematical model about straw harvesting, collection, transportation, and storage is established. Parameters are selected basing on one biomass power plant in Jiangsu Province. The results show that the cost of straw selling is 186250 CNY?t-1. The machinery collection reduces the total cost finitely. The relation between the labor price and the cost is examined. The labor price affects the manpower collection scenarios more obviously than the machinery collection scenarios. The cost model is made without considering the information problem.

Key words:straw; investigation; supply; biomass power plant; cost model