Non–Renewable Energy Inputs – Yield Relationship of Alfalfa Production in Iran

The purpose of this study was to determine the amount of non–renewable inputs energy used in baled alfalfa hay production in Hamedan province, Iran. Data were collected from 80 alfalfa farms in August and September 2009. The sample volume was determined using random sampling method. Total non–renewable energy inputs for alfalfa production were calculated to be 802920.13 MJ ha–1 which accounted to be about 99.05% of the total energy input. Econometric model evaluation showed that machinery energy was the most significant input which affects the output level. Sensitivity analysis results indicates that with an additional use of 1 MJ of each of the machinery and diesel fuel energy would result in increase in yield by 3.918 and 0.357 kg, respectively. The MPP of biocides was negative. It can be because of applying the input more than required or improperly applying. This energy use pattern in the Persian agriculture can create some environmental problems such as increase in global warming, CO2 emissions, and non–sustainability. Thus, policy makers should undertake new policy tools to ensure sustainability and efficient energy use.

Keywords:

Alfalfa, Non–renewable energy inputs, Cobb–Douglas Sensitivity of energy.,

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