小麦优势蘖利用超高产栽培技术研究

Studies on super-high yield cultivation technique using superior tiller in wheat

经多年试验研究,提出了:①超高产小麦优势蘖组的概念、指标及合理利用模式。②超高产小麦氮素积累动态指标及高效施肥策略。③超高产小麦群体结构和质量指标。④超高产小麦栽培应具备的土壤基础养分指标与优化施肥技术指标。⑤以优势蘖利用为核心的“三优二促一控一稳”超高产栽培技术。三优:一是优良(优质)超高产品种选用。二是优势蘖组的合理利用。三是优化群体动态结构和群体质量。二促:一促冬前壮苗,打好高产基础。二促穗多穗大粒重,高产优质。一控:合理控水控肥、控苗壮长。一稳:后期健株稳管,促粒防衰。

In this paper, it was proposed After long-term study：①The concept, indice and suitable model of the superior tiller group in super-high yield wheat. ②Index of nitrogen cumulation and strategy of fertilizer efficiency in super-high yield wheat.③Popuiation structure and quality index of super-high yield wheat. ④Basic soil nutrition index required by super-high yield wheat cultivation and optimized fertilization techniques. ⑤The super-high yield cultivation technique with the superior tiller as the core part, which includes three optimum methods, two promotion methods, one control method and moderate management. The optimum methods mean using high quality and super-high yield varieties, properly using superior tiller group and optimizing population structure quality. The two promotion methods mean promoting the strengthening of seedling before winter and promoting more and bigger ears and heavier grains. The one control method means controlling irrigation and fertilization. The moderate man- agement means strengthening seedling and preventing immature decline in late phase.