水氮耦合对地膜玉米免耕轮作小麦干物质积累及产量的影响

赵财,王巧梅,郭瑶,殷文,樊志龙,胡发龙,于爱忠,柴强

Effects of Water-Nitrogen Coupling Patterns on Dry Matter Accumulation and Yield of Wheat under No-tillage with Previous Plastic Mulched Maize

Cai ZHAO,Qiao-Mei WANG,Yao GUO,Wen YIN,Zhi-Long FAN,Fa-Long HU,Ai-Zhong YU,Qiang CHAI

表3 不同处理小麦籽粒产量与产量因素的相关系数和通径系数

Table 3 Correlation coefficient and path coefficient of wheat between grain yield and yield components

年份 Year 指标 Parameter 与籽粒产量的简单相关系数 Correlation coefficient with yield 直接通径系数 Direct path coefficient 间接通径系数 Indirect path coefficient 穗数 SN 穗粒数 KSN 千粒重 TKW 2016 穗数 SN 0.764** 0.551** — -0.112 0.325 穗粒数KNS 0.391* -0.163 0.381 — 0.173 千粒重TKW 0.781** 0.428** 0.419 -0.066 — 2017 穗数 SN 0.747** 0.336* — 0.076 0.335 穗粒数KNS 0.635** 0.112 0.228 — 0.296 千粒重TKW 0.786** 0.488** 0.231 0.068 —