Logistic transport model of region-scale distribution of organic fertilisers
2018
Uvarov, R., Institute for Engineering and Environmental Problems in Agricultural Production - IEEP, Tyarlevo, Pushkinsky distr., Saint Petersburg (Russian Federation) | Briukhanov, A., Institute for Engineering and Environmental Problems in Agricultural Production - IEEP, Tyarlevo, Pushkinsky distr., Saint Petersburg (Russian Federation) | Shalavina, E., Institute for Engineering and Environmental Problems in Agricultural Production - IEEP, Tyarlevo, Pushkinsky distr., Saint Petersburg (Russian Federation)
Environmental safety of livestock and poultry waste handling may be achieved through optimal transportation and distribution of resulting organic fertilisers between the consumers – crop-growing farms. With this aim in view, a logistic transport model was created with due account for fertilising quality and ecologically grounded application rates of organic fertilisers. The model was applied to agricultural enterprises of Leningrad Region, where 121 cattle, 15 pig and 14 poultry complexes are located (as of 2015), with more than 5 million tons of animal and poultry manure being produced annually. The model allowed identifying 34 agricultural enterprises as organic fertiliser suppliers and 124 agricultural enterprises as organic fertiliser consumers. The transport problem of linear programming was solved by the method of potentials by the software written in FORTRAN using the calculated correction factors of nitrogen content in one cubic meter of organic fertilisers: 0.5 – for cattle enterprises, 1 – for pig-rearing complexes, and 0.34 – for poultry complexes. The model allowed distributing all produced organic fertilisers on the fields of crop growing farms with the minimal transportation costs. The model was verified on the data from an egg poultry factory with the stock of 579.1 thousand head and the annual poultry manure yield of 26.8 thousand tons and the pig complex with the stock of 17. 5 thousand head and the annual manure yield of 71.9 thousand tons. The achieved savings were 19,251 thousand roubles (282.4 thousand Euros) and 93,117 thousand roubles (1365.4 thousand Euros), respectively.
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