| In order to provide technological supports for conservation tillage in Jiaodong peninsula, the effects of winter wheat of different conservation tillage patterns on grain quality were studied under conservation tillage in dry land. There were four treatments of conventional tillage(CT), straw returning no tillage(NT1), all pole straw returning no tillage(NT2), straw returning and subsoiling no tillage(NTS). Basic quality starch gelatinization characteristics, alveograph indices, consistograph indices and extensograph parameters of wheat grain were investigated in this study. Results showed that conservation tillage could improve winter wheat grain quality , NT2 and NT1 had no effects on protein content of winter wheat ,but improved gluten quality, milling quality and dough resilience, and NT2 improved extensograph parameters of winter wheat flour. However，NTS significantly improved winter wheat protein content, sedimentertation value, wet gluten content, noodle cooking quality, flour processing quality and taste and extensograph parameters, but decreased extensibility. In general, NTS was the best, then followed NT2 and NT1. |
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