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Dick, W. A., VanDoren, D. M. (1985): Continuous tillage and rotation combinations effects on corn, soybean and oat yields. Agron. J. , 77 , 459–465. VanDoren D. M

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A 2-year conservation agriculture experiment was conducted in Southern Italy on durum wheat continuous cropping. Aim of the research was to assess the durum wheat productivity and grain quality in reduced soil tillage systems, according to conservation agriculture principles. The interactions among experimental treatments and climate revealed a close relationship among grain yield, grain quality and wheat growth conditions. Specifically, conventional tillage (CT, plowing and 2 disc harrowing) showed in the 2-year period higher grain production than reduced tillage treatments, minimum (MT, 1 disc harrowing) and No tillage (NT), especially for good crop water availability (3.29 t ha–1 of grain yield in CT, 2.67 in MT and 2.54 in NT). The amount of rainfall (above the average in both years) and its distribution in the growing seasons (more regular in the first year) strongly influenced wheat-grain quality indices (11.97% of protein content in the first year and 9.82% in the second one). Also, the wheat quality resulted more sensitive to the “Year × Tillage” interaction, with differences among tillages more evident in the second year and favourable to NT and MT. Spectral vegetation indexes (NDVI and TVI) measurements at flowering, have been shown to be useful to support farmers in N-late application for improving grain wheat quality. From this experiment carried out during the conversion period and in wet years, wheat managed with CT resulted in higher grain yield and quality, while only test weight showed a significant “Year × Tillage” interaction. Further indications emerged on the need to supply additional (10–20%) seed amount at sowing and crop nitrogen fertilizer in the first transition years in reduced tillage systems compared to conventional ones.

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Birkás, M., Antal, J., Dorogi, I. (1989): Conventional and reduced tillage in Hungary. A review. Soil and Tillage Research , 13 , 233-252. Conventional and reduced tillage in Hungary

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Cereal Research Communications
Authors: Irena Jug, Danijel Jug, Vlado Kovacevic, Bojan Stipesevic, and Ivan Zugec

., Gyuricza C., Gecse M., Bordás K. (2002): Effects of the disk tillage on soil condition, crop yield and weed infestation. Rostlinná Vyroba, 48(1): 20–26. Bordás K. Effects of the disk

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propiedades edáficas y los cultivos (Decompaction of no-tillage soils: Effects on soil properties and crops). Ciencia del Suelo 27 :159–169. (in Spanish) Taboada M.A. Descompactación de

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Acta Alimentaria
Authors: M. Sabo, M. Sabo, D. Jug, D. Jug, Ž. Ugarčić-Hardi, and Ž. Ugarčić-Hardi

Blevins, C.J. & Frye, W.W. (1993): Conservation tillage: An ecological approach to soil management. Adv. Agron. 51 , 33-78. Conservation tillage: An ecological approach to soil

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Cereal Research Communications
Authors: Miomir Tolimir, Miladin Veskovic, Ilija Komljenovic, Ivica Djalovic, and Bojan Stipesevic

Birkás M., Jolánkai M., Gyuricza C., Percze A. (2004a: Tillage effects on compaction, earthworms and other soil quality indicators in Hungary. Soil Till. Res. Special Issue “Soil Quality as an Indicator of Sustainable Tillage Practices” (ed. Karlen, D

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. Birkás, M. (2009a): Measuring techniques in tillage experiments . Gödöllő (in press) Birkás, M. (2009b): A klasszikus talajművelési elvárások és a klímakár csökkentés kényszere. (Classic cultivation requirements

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Busscher, W.J., Sojka, R.E. 1987. Enhancement of subsoiling effect on soil strength by conservation tillage. Trans. ASAE 30 :888–892. Sojka R.E. Enhancement of subsoiling effect on

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Weersink, A., Walker, M., Swanton, C., Shaw, J. E. (1992): Costs of conventional and conservation tillage systems. J. Soil and Water Cons. , 47 , 328-334. Costs of conventional and conservation tillage systems

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