Interactions between soil organic matter level and soil tillage in a growing crop: N mineralization and yield response | Zendy

Thomsen I. K. | Zendy; Sørensen P. | Zendy

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Interactions between soil organic matter level and soil tillage in a growing crop: N mineralization and yield response

Author(s) -

Thomsen I. K.,

Sørensen P.

Publication year - 2006

Publication title -

soil use and management

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.709

H-Index - 81

eISSN - 1475-2743

pISSN - 0266-0032

DOI - 10.1111/j.1475-2743.2006.00026.x

Subject(s) - agronomy , mineralization (soil science) , tillage , loam , hordeum vulgare , environmental science , straw , soil organic matter , manure , no till farming , green manure , crop residue , organic matter , soil fertility , soil water , chemistry , poaceae , soil science , biology , agriculture , ecology , organic chemistry

Four levels of soil organic matter (SOM) had been established on a coarse sandy loam after application of four combinations of mineral fertilizer, animal manure, straw incorporation and catch crops for 12 years. Soil tillage was carried out in a growing spring barley crop ( Hordeum vulgare ) to examine the potential for improving the synchrony between soil N mineralization and crop N demand. Tillage raised soil nitrate concentrations temporarily but did not influence barley dry matter (DM) yield. At maturity, both grain DM yield and N uptake were largest on soil with the highest OM level. The previous OM applications had a pronounced influence on crop development and N availability, but soil tillage did not significantly improve the synchrony between soil N mineralization and crop N demand.

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