Abstract:
A way of estimation agriculture development and product stability agricultural location is using of energy flow
method. In this consideration, energy flow at agricultural ecosystems of Grape in two cities from west
Azerbaijan province was compared. The related data of inputs and outputs for evaluation of energy efficiency in
these gardens are become equivalent value of input and output energy efficiency. Energy value of used factors
and input in grape gardens of uremia and sardasht were respectively 6417773 and 862570 k cal/ha and output
(production) energy value of the gardens were 25632600 and 10123800 k cal/ha respectively. Energy efficiency
values (output: input ration) were 3.99 and 11.7 respectively. Data showed in grape gardens of uremia the most
use of energy were nitrogen fertilized usage and irrigation. In grape gardens of sardasht the most use of energy
was nitrogen fertilized. In general, because of the climate conditions, topography, society culture in these
regions, difference in energy efficiency of these gardens almost was reasonable. The number of inputs increases;
effect increases any one of input decrease. Grape garden system of sardasht hasn’t any contamination and
agricultural systems because of much Annual rainfall in this region are dry farming. There for, costs of irrigation
and poisoning are deleted but inordinately poisoning of uremia gardens result in contamination and transformed
these ecosystems.
