冬夏两季不同刈割高度对桂牧1号杂交象草营养成分的影响

Effect of different cutting height in winter and summer on the nutritional components of hybrid Pennisetum urpureum Guimu

试验旨在研究桂牧1号杂交象草冬夏两季不同刈割高度对其营养成分含量影响的相关性,探索刈割高度与营养成分的变化规律。对冬夏两季刈割高度分别为100、130、160、190、220、250 cm的桂牧1号杂交象草营养成分含量进行测定,并对各指标用模糊数学隶属函数法进行综合评价。结果表明:各高度平均刈割隶属函数综合评分夏季在190 cm高度时最高,冬季在220 cm高度时最高。

The experiment was to study the correlation between the different cutting heights of hybrid Pennisetum urpureum Guimu-1 in winter and summer on its nutrient content,and to explore the law of cutting height and nutrient content.The nutrient content of hybrid Pennisetum urpureum Guimu-1 with cutting heights of 100,130,160,190,220,and 250 cm in winter and summer were measured,and the indexes were comprehensively evaluated by fuzzy mathematics membership function method.The results showed that the comprehensive score of the average cutting membership function of each height was highest at 190 cm height in summer,and highest at 220 cm height in winter.