Diagnosing sulfur deficiency in field-grown oilseed rape (Brassica napus L.) and wheat ( Triticum aestivum L.)
@article{BlakeKalff2004DiagnosingSD, title={Diagnosing sulfur deficiency in field-grown oilseed rape (Brassica napus L.) and wheat ( Triticum aestivum L.)}, author={M. M. A. Blake-Kalff and Malcolm John Hawkesford and Fang-jie Zhao and Steve P. McGrath}, journal={Plant and Soil}, year={2004}, volume={225}, pages={95-107} }
The effects of increasing sulfur applications on field-grown oilseed rape (Brassica napus L.) and wheat (Triticum aestivum L.) were investigated in 1998 and 1999, and the critical values and efficiency of several diagnostic indicators for S deficiency were determined. Critical values for leaf concentrations of total S, sulfate and glutathione changed over time and were not suitable for diagnosing S deficiency early in the growth season. The N:S ratio was more reliable but involved two…
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