不同降水年型黄土旱塬冬小麦免耕与深松轮耕蓄墒增收效应

于琦,李军,周栋,王淑兰,王浩,李敖,张元红,宁芳,王小利,王瑞

Effects of No-Tillage/Subsoiling Rotational Tillage System on Increasing Soil Water Storage and Crop Yield Under Different Precipitation Patterns of Winter Wheat in the Loess Plateau

YU Qi,LI Jun,ZHOU Dong,WANG ShuLan,WANG Hao,LI Ao,ZHANG YuanHong,NING Fang,WANG XiaoLi,WANG Rui

表6 不同降水年型冬小麦生产收益与经济效益情况

Table 6 The cost and profit balanced of winter wheat production under different precipitation patterns (yuan/hm2)

降水年型 Precipitation patterns 耕作处理 Tillage treatments 投入 Total input 收益 Yield income 经济效益 Net profit 干旱年 Dry year NNS 4930a 7124a 2194a NS 4930a 6885ab 1955b N 4680b 6598b 1918b 均值Mean 4847a 6869c 2022c 丰水年 Humid year NNS 4703b 12365a 7662a NS 4954a 11453b 6499b N 4680b 11216b 6513b 均值Mean 4787b 11678a 6891a 平水年 Normal year NNS 4847a 8973b 4126b NS 4847a 9420a 4574ab N 4680b 9453a 4773a 均值Mean 4791b 9282b 4491b 平均 Average NNS 4852a 8905a 4053a NS 4907a 8745ab 3838b N 4680b 8576b 3891b 均值Mean 4813b 8742bc 3927bc