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Evolution of some components of agroecosystems productivity from Vinga Plain in water stress situations
Published October 5, 2010

The researches are inscribed on line of substantiation of durable agricultural system, having main objective the prominence of
quantitative and qualitative modifications made on agro-system level under the effect of no-tillage system for wheat, maize and soybeans.
The experimental field is placed on a cambium chernozem, with a medium cont...ent of clay, dominant in the Prodagro West Arad agrocentre
and representative for a large surface in the Banat-Crisana Plain.
The passing to no-till system change the structure of technological elements, through less soil works, so the impact on agro-system is
different comparing with conventional tillage, first less the intervention pressure on agro-system ant secondly appears new interactions, new
equilibriums and disequilibriums.
Considering the evolution of soil humidity, the observations made monthly (by taking soil samples and laboratory determinations) for
the three cultures showed that in the no-till system, there are more uniform values in the soil profile, and in the variants where the deep work
of soil was made it could be observed a low increase of the water volume in the soil.

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