Journal of Food, Agriculture and Environment

Effect of soil tillage systems on nutrient concentration in winter wheat plants

Author(s):

Ewa Stanislawska- Glubiak*, Jolanta Korzeniowska

Recieved Date: 2011-11-16, Accepted Date: 2012-05-02

Abstract:

A two-year experiment was carried out to compare the content of N, P, K and Mg in dry matter of winter wheat plants grown under one of the three soil tillage systems: conventional tillage with a plough (CT), minimum tillage consisting of loosening the top layer of soil down to 15 cm (MT) and zero tillage (no-tillage), where seeds were sown directly to unploughed soil (NT). Plant samples were collected in 10-day intervals, from the tillering to early flowering stage. In addition, biomass yields were determined for each of the sampling dates as well as yield of grain and straw. The biomass yield and concentration of macronutrients in vegetative parts of winter wheat varied between the two investigation years. However, the soil tillage methods did not differentiate the contents of the examined nutrients in wheat plants, except for P and Mg in the very early growth stages, when the concentration of these elements was higher under NT and MT systems than under CT. Although there were no differences between the soil tillage methods regarding the content of nutrients in wheat plants or the dynamics of nutrient uptake during the growth of plants, the lowest yields were obtained when NT system was applied. This suggests that other factors, apart from the plant nutrition status, were involved in limiting harvests under NT system. 

Keywords:

Tillage systems, no-tillage, minimum tillage, conventional tillage, wheat, growth stages, yield, macronutrients concentration, dynamics of uptake

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 2
Category: Environment
Pages: 1353-1355

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