The composition of livestock manure in the spring period | Sestava zivinskih gnojil v spomladanskem obdobju
2005
Babnik, D., Agricultural Inst. of Slovenia, Ljubljana (Slovenia) | Znidarsic-Pongrac, V. | Kmecl, V. | Susin, J. | Verbic, J. | Segula, B. | Znidarsic, T.
In the spring 2005 during the application of livestock manure in Slovenia 40 samples of cattle slurry, 17 samples of cattle solid manure, 11 samples of cattle liquid manure and 7 samples of pig slurry were collected. The chemical composition of gathered livestock manure samples was very variable. Cattle slurry contained 8,6 % dry matter (4,4-12,9 %), 6,9 % organic matter (3,1-11,5 %), 0,9 kg MgO (0,3-1,6 kg), 1,6 P2O5 (0,6-2,5 kg), 4,0 kg K2O (2,1-8,9 kg), 3,6 kg N (1,4-5,2 kg), 1,6 kg NH4-N (0,4-2,8 kg), 3,8 g Cu (1,0-14,2) and 18,4 g Zn (4,8-53,2 g) in a cubic meter. Cattle solid manure contained 18,0 % dry matter (14,1-23,0 %), 14,3 % organic matter (11,7-16,1 %), 1,7 kg MgO (0,7-3,0 kg), 2,9 P2O5 (1,3-6,1 kg), 5,0 kg K2O (1,7-11,8 kg), 4,8 kg N (2,7-8,5 kg), 0,9 kg NH4-N (0,1-2,0 kg), 4,6 g Cu (3,0-8,0 g) and 22,2 g Zn (11,0-42,0 g) in a ton. Cattle liquid manure contained 1,7 % dry matter (0,2-6,3 %), 0,8 % organic matter (0,1-4,3 %), 0,4 kg MgO (0,1-2,0 kg), 0,3 P2O5 (0,01-2,0 kg), 3,3 kg K2O (0,6-7,2 kg), 1,6 kg N (0,2-3,6 kg), 1,3 kg NH4-N (0,1-3,3 kg), 0,4 g Cu (0,01-2,5) and 1,6 g Zn (0,1-10,7 g) in a cubic meter. Pig slurry contained 4,5 % dry matter (1,2-16,4 %), 3,2 % organic matter (0,7-11,9 %), 0,8 kg MgO (0,2-2,9 kg), 2,7 P2O5 (0,6-10,6 kg), 2,7 kg K2O (1,7-6,6 kg), 4,6 kg N (2,6-13,1 kg), 2,8 kg NH4-N (1,3-5,3 kg), 7,6 g Cu (1,0.14,2) and 32,5 g Zn (8,0-83,4 g) in a cubic meter. The content of P, ZN and Cu in the dry matter of cattle slurry was in positive correlation with the application quality of mineral fertilizers and the quantity of concentrates and mineral-vitamin supplements in the diet. Because of great variability in livestock manure the tabulated values of the composition have a very restricted useful value.
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