钾肥对糜子茎秆形态、力学、生理特性及抗倒伏能力的影响

梁海燕, 李海, 丁超, 杨芳, 宋晓强, 邓亚蕊, 刘贵山, 林凤仙, 张翔宇, 苏占明, 姜超

Effects of Potassium Fertilizer on Morphology, Mechanical Properties, Physiological Characteristics and Lodging Resistance of Broom Corn Millet

Liang Haiyan, Li Hai, Ding Chao, Yang Fang, Song Xiaoqiang, Deng Yarui, Liu Guishan, Lin Fengxian, Zhang Xiangyu, Su Zhanming, Jiang Chao

表1 不同K肥用量对糜子植株茎秆形态特征的影响

Table 1 Effects of different K fertilizer application rates on straw morphological characteristics of broom corn millet plants

年份 Year	K肥 K fertilizer (K₂O kg/hm²)	株高 Plant height (cm)	穗长 Spike length (cm)	穗重 Spike weight (g)	重心高 Center of gravity height (cm)	穗颈长 Neck length of spike (cm)	基茎粗 Basinal stem diameter (cm)	地上部鲜重 Aboveground fresh weight (g)	根重 Root weight (g)
2017	0	157.0	36.3	24.8	79.7	24.7	0.78	64.8	3.07
	30	161.3	34.3	18.5	81.2	19.7	0.69	56.9	3.93
	60	165.5	35.6	23.0	81.0	22.3	0.84	63.6	4.67
	90	166.3	34.5	26.3	88.0	19.5	0.90	77.7	5.27
	120	162.3	34.7	21.8	82.3	21.3	0.83	62.1	4.00
	150	166.0	35.7	17.7	84.0	20.5	0.82	58.2	3.57
2018	0	127.3	37.3	22.2	83.0	21.6	0.81	67.2	3.56
	45	136.3	38.0	20.2	85.4	18.3	0.78	60.5	3.76
	90	139.6	37.2	24.4	87.8	22.4	0.88	75.5	3.92
	135	142.3	38.2	22.4	90.9	22.6	0.89	82.0	3.85