通径系数分析结果，有效茎数对蔗茎产量的直接正效应大于株高和茎径；
Path coefficient analysis indicated that the positive direct effect of millable stalks on cane yield was bigger than those of plant height and stalk diameter.
田间试验表明 ：（1 ）施用不同肥料对甘蔗出苗数、有效茎数和甘蔗糖分影响较小 ；
Field experiments show that: (1) Various fertilizers have a very weak influence on the emergence rate, effective stem and sugar rate of sugarcane;
而叶片的长度、宽度、有效叶数及茎围，都与产量呈正相关，只有节间距与产量呈负相关。
The leaf length, leaf width, number of productive leaves and stem thickness were positively correlated with yield whereas the internodal length only was negatively correlated with yield.
而叶片的长度、宽度、有效叶数及茎围，都与产量呈正相关，只有节间距与产量呈负相关。
The leaf length, leaf width, number of productive leaves and stem thickness were positively correlated with yield whereas the internodal length only was negatively correlated with yield.
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