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甜高粱作为生物能源作物,衡量其优劣的重要依据主要视其单位面积产糖量的高低。而单位面积产糖量,除种植密度外,主要是与单株产糖量即单(株)秆重、出汁率、含糖量等因素有关。具体方法如下: 1.单(株)秆重的测定测定去掉穗子、叶片、叶鞘及根的茎秆鲜重。分蘖性品种的有效分蘖均应计算在内。小区试验时每份品种测定的数量以10株为宜,求其平均单(株)秆重。
Sweet sorghum as a bioenergy crop, an important basis to measure its advantages and disadvantages mainly depending on the level of sugar per unit area. The unit yield of sugar, in addition to planting density, mainly with single sugar yield that is single (strain) stalk weight, juice yield, sugar content and other factors. Specific methods are as follows: 1. Single (strain) Determination of stalk weight Remove the ears, leaves, sheaths and roots of fresh weight. Effective tillers of bushy varieties should all be taken into account. The plot test for each variety to determine the number of 10 is appropriate, to find the average single (strain) stalk weight.