To determine if reduced tree densities(number of trees per unit area)lead to changes in micro-meteorological and tree ph......

在低酚棉初花期，喷施一定浓度的助壮素（ＤＰＣ）控制生长势过旺，盛花结铃期喷施４种不同浓度赤霉素（ＧＡ３），研究ＤＰＣ－ＧＡ３配合应用对低酚棉成铃、纤维品质及生理的......