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该研究发现棉花种植环节的环境影响取决于灌溉、农药和化肥用量。全球约有一半的棉田使用地下水灌溉，农药平均施用量为 1.57 kg/ha，氮磷肥平均投入量为150 kg/ha。全球各棉区灌溉、农药、氮肥施用量差异较大，经济发展水平高的地区施用量较高，而经济水平和水资源有限的棉区施用量较少，亟需因地制宜提高灌溉用水、化肥、农药利用效率，减少生产环节的环境影响。研究还发现，除了棉花种植环节对环境的影响外，...
In vitro Mutagenesis for Genetic Improvement of Salinity Tolerance in Wheat
in vitro embryonic culture Wheat varieties gamma rays and salinity stress protein and isozyme markers
2010/11/11
Combining the effects of salinity stress and gamma rays showed eight of the variable bands were affected by gamma rays, whereas some were induced at different gamma doses
under 0.9 and 1.2% NaCl. Ele...