The effect of shading on the cotton fiber and seed quality was mainly restricted on the bolls of top fruiting branches and the outside bolls of upper fruiting branches.
苗期遮荫对棉纤维、棉籽品质性状的影响也主要在顶部果枝和上部果枝外围铃。
The lower ends of the water filling pipe and the seed discharging pipe are fixed in the two parallel holes of the perforator, and the upper parts are connected by connecting sheets.
注水管和下籽管的下端固定在打孔器的两平行孔内，上部由联接片相联；
The lower ends of the water filling pipe and the seed discharging pipe are fixed in the two parallel holes of the perforator, and the upper parts are connected by connecting sheets.
注水管和下籽管的下端固定在打孔器的两平行孔内，上部由联接片相联；
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