Investigating the amount of energy consumption and the relationship between input and output energy in wheat production

Subject Areas : agronomy

Esmael Yadi ¹ , Davood Barari Tari ² , mehran mahmoudi ³

1 - Agronomy Msc Student, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
2 - Department of Agrotechnology, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran.
3 - Department of agronomy, Islamic azad university. Ayatollah amoli branch, Amol, Iran

Received: 2021-09-16 Accepted : 2021-11-06 Published : 2022-03-06

Keywords: nitrogen, Input, Fuel, Crop traits,

Abstract :

In order to investigation the amount of energy consumption and the relationship between input and output energy in wheat production, 10 wheat farms in Sari region (plain and mountainous) were selected. To collect information from the farms, first, all agricultural activities were divided into 8 parts: land preparation, planting, fertilizing, plant protection, weed control, irrigation, harvesting, and transportation to the factory. Results showed that the most of the fuel used for land preparation, which was significantly different from other agricultural operations. The average input energy in 10 farms was 14597.76 M J.ha-1. Among the consumer inputs in 10 wheat farms, nitrogen fertilizer is equivalent to 35.33% of the total input energy. Indirect energies had an average of 11245.69 MJ.ha-1 and direct energy had an average of 3351.26 MJ.ha-1. The average grain yield in 10 wheat fields was 4275 kg.ha-1. The average energy efficiency in 10 wheat fields was 3.42 MJ.ha-1. In general, the results showed that one of the most important factors in reducing economic productivity in an agricultural system, is the excessive consumption of inputs, which in the long term, the production of this this crop will be at risk.

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