二棱大麦构成产量的“三要素”中，以总穗数最重要（ｙ＝０．９２８１＾※※），穗粒数次之，粒重影响最小。后二者通过总穗数对产量产生间接负效应。当总穗数达......

From 1986 to 1990, we conducted a research projoct to study the theory and techniques of supca-high yielding and develop......