Agri Eco.
mahmoud ahmadpour borazjani; Hadi nikoee dastjerdi
Abstract
In parallel with the increasing global population, food security or increasing agricultural products is one of the biggest challenges that human society is faced with during the recent decades, this necessity led to overuse of pesticides and fertilizers which cause serious and sometimes irreversible ...
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In parallel with the increasing global population, food security or increasing agricultural products is one of the biggest challenges that human society is faced with during the recent decades, this necessity led to overuse of pesticides and fertilizers which cause serious and sometimes irreversible dangers. In the resent years, several measures have been taken to return to organic agriculture. The current study attempted to represent a agronomic program in which decision makers in addition to their economic goals, pay more attention to environment by producing organic products. To achieve this goal, goal programming and its combination with Extended Lexicographic Goal Programming framework, based on multiple criteria decision making methods were used in Bardsir and Orzoyeh regions. The required data were collected using 567 questionnaires and doing interview with beneficiaries using random sampling method in 2013. In the current study, six different goals included profit maximization, employment of labor maximization, minimization of irrigation water, working machinery, fertilizer and pesticides at difference priorities were put in the model. The results indicated that by optimizing the cropping pattern; we can reduce consumption of harmful inputs without any reduction in yield or profit. Therefore, informing farmers about advantages of organic agriculture and government’s supports could be an effective step towards sustainable production.
shahram nessabian; neda moazeni; Hadi Mohamady
Abstract
In order to study the efficiency resulting from optimization of energy consumptionin organic farming, the amount of consumption and production inputs and their costs, obtained profit, cultivated area and … was estimated in conjuction with the three crop of wheat, canola and ...
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In order to study the efficiency resulting from optimization of energy consumptionin organic farming, the amount of consumption and production inputs and their costs, obtained profit, cultivated area and … was estimated in conjuction with the three crop of wheat, canola and tomato in Iran over a five year period 2006-2011. Using the objective function and constraints, the DEA method was used to analyze the data. All the processes of models estimation was performed using DEAP software. To calculate the energy amount in external inputs consumption in conventional and organic farming were used coefficients to convert the amount of energy input consumption, too. Finally, the energy consumptions were compared in the two cultures. According to these results, the use of organic fertilizers and biological inputs (in consequence of more energy consumption in organic specific inputs) leads to lower productivity growth in organic products. These results were significant in the 5 and 1 percent levels, respectively. Due to the type of used inputs in the inorganic products, in fuel inputs, nitrogen fertilizer, phosphate fertilizer, insecticide and fungicide, inorganic products had more consumption and hence the amount of energy inputs for organic products was higher. In the case of biofertilizer and biocontrol were also used in organic production, input energy in this part was more than input energy of inorganic products. Organic farms with lower energy consumption of imports and inputs, led to production of more energy in output. Thus the efficiency besides saving of energy consumption occurred in organic products.
