Rural Development
Mahdi Babaeian; Abolfazl Tavassoli; Mohamad hosein salehi
Abstract
This research examines the energy use patterns and greenhouse gas emission of sugar beet farms in Hossein abad village of Shirvan city, in 2017-18. Data were collected by using a face-to-face questionnaire. Farms were selected with a random sampling method. In this study, the inputs in the calculation ...
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This research examines the energy use patterns and greenhouse gas emission of sugar beet farms in Hossein abad village of Shirvan city, in 2017-18. Data were collected by using a face-to-face questionnaire. Farms were selected with a random sampling method. In this study, the inputs in the calculation of energy use include: human labor, machinery, diesel fuel, chemical fertilizers, farmyard manure, biocides, electricity, water and the output in the calculation of total output energy include plant yield. The results indicated that total energy inputs were 66879.92 MJ ha-1and outputs 1310572.50 MJ ha-1. Of the total energy consumption in sugar beet production, 38.39% is related to the use of chemical fertilizers, 25.95% is related to diesel and 12.69% is related to electricity. Energy use efficiency of 19.59 and energy productivity of 0.72 kg MJ ha-1 were recorded. Chemicals, fuel and electricity played the largest role among energy inputs in beet farms. CO2, N2O and CH4 emissions were 2463.26, 21.02 and 3.26 kg ha-1, respectively. And the amount of global warming potential of these gases was calculated as 9048.85 CO2eq ha-1, of which 0.76% was related to CH4, 27.22% was related to CO2 and 72.02% was related to N2O.
Agri Eco.
fatemeh Rastegaripoor; Amir Salari; fatemeh azizzadeh
Abstract
Water crisis worldwide and nationwide is serious and critical; therefore, water management in urban, agricultural and industrial areas is regarded as an update issue; however, due to maximum use of water in agriculture, management of irrigation water used for agricultural products has become more important ...
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Water crisis worldwide and nationwide is serious and critical; therefore, water management in urban, agricultural and industrial areas is regarded as an update issue; however, due to maximum use of water in agriculture, management of irrigation water used for agricultural products has become more important requiring programming and altering irrigation water consumption pattern to enhance the efficiency of irrigation water. Accordingly, in this study the indicator of virtual water of sugar beet is measured in Torbat Heydariyeh. The data and statistics were gathered from agricultural Jihad organization, meteorological organization, and ministry of energy during 2011 to 2019. The model used is ecological water footprint index and other related indicators.The results showed that the amount of virtual sugar beet in normal state was 1.2 m3 / kg and with 35% efficiency was 3.4 m3 / kg. The total amount of virtual water from sugar beet exports from Khorasan Razavi province has been increasing over the years. The green water footprint in sugar beet production is 265 million cubic meters per year, which is about 0.14 of the total water footprint calculated. Also, white water footprint in sugar beet production is 950 million cubic meters per year, which is about 52% of the total estimated water footprint, which is due to the low efficiency of irrigation systems in the region. The higher share of blue footprint than green footprint indicates that there is less rain benefit and greater evapotranspiration. Therefore, using irrigation systems with higher efficiency and reducing sugar beet spring sowing area is recommended in Torbat Heydarieh city.
