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.
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