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30 Agriculture 7(2001) Tablica 4. Bilanca energije pri proizvodnji p{enice s razli~itim na~inima obrade tla Table 4. Power balance with wheat production at different soil tillage ways
Agriculture 7 (2001) 31 LITERATURA 1. Bi}ani}, V. (1991.): Minimalizacija obrade tla - za{to. Agrotehni~ar, 1, str.12.-15., Zagreb. 2. Bi}ani}, V. (1992.): Reducirana obrada tla - tehnologija budu}nosti. Agrotehni~ar, 10, str.23.-24., Zagreb. 3. Estler, M., Krittel, Zeltner., H. (1984.): Boden - bearbeitung aktuell. DLG - Verlang Frankfurkt (Mein). 4. Kanisek, J., Petra~, B., Bukvi}, @., @ugec, I. (1997): Economic efficiency of application of different soil tillage pratctices on winter wheat production in east Croatia conditions, Agroecological and ecologocal aspects of soil tillage, Fragmenta agronomica, 2B, str. 351-354, Proceedings 14th ISTRO conference Pulawy, Poland. 5. Ko{uti}, S. (1993.): Konvencionalna i reducirana obrada tla u proizvodnji ozime p{enice. Agrotehni~ar, 1-2, str. 21.-22, Zagreb. 6. Phillips, R., Phillips, S. (1984): No- tillage agriculture. VNR, New York 7. Pimentel, D., Berardi, G., Fast, S. (1984): Energy efficiencies of farming wheat, corn and potatoes organicolly. p. 151-161 in Organic farming: Curent technology und its role in sustainable agriculture, American society of agronomy, special publication, No 46, Madison. 8. Sprague, M.A., Triplett, G. B. (1986): No - tillage and surface - tillage agriculture. Wiley, New York. 9. [tefanek, E. (1993.): U{teda energije u obradi tla,.Agrotehni~ar, 1-2, str. 23.-24., Zagreb 10. Tebrügge, F., Gross, U. (1994): Interelation of tillage intensity and the environment. Third Congress of the European Society of Agronomy, Albano-Padova, Proceedings, p.842-843. ECONOMICS RESULTS OF WHEAT PRODUCTION BY DIFFERENT SOIL TILLAGE WAYS SUMMARY Wheat consumption in the world increases and its importers are some European countries too. The present price of wheat grain will make selling at the market difficult for manufactures from the Republic of Croatia. Conditions and results of four year organizational - economical investigations of conventional and four ways of reduced soil tillage at wheat production are displayed in this paper. Total of 9.35 hours/ha of machinery work and 114.3 l/ha of fuel are consumed at conventional soil tillage. Total costs are 1660 DM/ha. Price of grain is 276.71 DM/t and profit amounts to 187.83 DM/ha. If the soil tillage is done by a disk harrow costs of the machinery work reduce to 471.36 DM/ha and profitability amounts to 16.5%. When soil tillage is done by multitiller with classical sowing, a yield of 5.65 t/ha st price of 273.37 DM/t and investment profitability 12.7% are obtained. Direct sowing by a Rotosem, without previous tillage, requires 11.66 hours/ha of human work and 7.18 hours/ha of machinery work. to meet the total costs 4.9 t/ha of grains need. In order to get equipment, 98 t of grains from land of 17.5 ha should be given annually during the period of 8 years. Plughing and sowing by Rotosem give 5.9 t/ha grains at price of 279.36 DM/t. Total energy cost at conventional production is 30085 and at reduced one it is 27972 MJ/ha. Key-words: wheat, organization, economics, power supply
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Page 3 and 4: UDK 63 ISSN 1330-7142 POLJOPRIVREDA
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Page 7 and 8: Agriculture 7 (2001) 7 uzgoj p{enic
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Page 13 and 14: Agriculture 7 (2001) 13 class by gr
Page 17 and 18: Agriculture 7 (2001) 17 CONCLUSION
Page 19 and 20: Agriculture 7 (2001) 19 agronomskim
Page 21 and 22: Agriculture 7 (2001) 21 Tablica 2.
Page 23 and 24: Agriculture 7 (2001) 23 • Varijab
Page 29: Agriculture 7 (2001) 29 Tablica 3.
Page 33 and 34: Agriculture 7 (2001) 33 MATERIJAL I
Page 35 and 36: Agriculture 7 (2001) 35 1,24%. Mi{i
Page 39 and 40: Agriculture 7 (2001) 39 je kod biol
Page 41 and 42: Agriculture 7 (2001) 41 LITERATURA
Page 45 and 46: Agriculture 7 (2001) 45 Grafikon 2.
Page 47 and 48: 47 Agriculture 6 (2000) ISSN 1330-7
Page 51 and 52: Agriculture 7 (2001) 51 • Srednje
Page 53 and 54: Agriculture 7 (2001) 53 REZULTATI I
Page 55 and 56: Agriculture 7 (2001) 55 2. Lohman,
Page 57 and 58: Agriculture 7 (2001) 57 nama okru`e
Page 65 and 66: Agriculture 7 (2001) 65 LITERATURA
Page 67 and 68: Poljoprivreda 7 (2001) 67 DODATNE O
Page 69 and 70: Poljoprivreda 7 (2001) 69 UPUTE AUT
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