减源对不同密度春玉米开花后干物质及氮、磷、钾积累转运的影响

曹玉军,吴杨,刘志铭,崔红,吕艳杰,姚凡云,魏雯雯,王永军

Effects of Sources Reduction on Accumulation and Remobilization of Dry Matter and Nitrogen, Phosphors and Potassium of Spring Maize Under Different Densities After Flowering

YuJun CAO,Yang WU,ZhiMing LIU,Hong CUI,YanJie LÜ,FanYun YAO,WenWen WEI,YongJun WANG

表1 减源后不同处理群体叶面积指数

Table 1 The leaf area index (LAI) of different treatment groups after the source reduction

年份 Year	种植密度 Planting density (×10⁴plants/hm²)	减源处理 Source reduction treatment	叶面积指数 LAI
2014	6.0	CK	5.52
		T1	3.11
		T2	3.56
		T3	4.15
	9.0	CK	7.36
		T1	4.02
		T2	5.04
		T3	6.22
2015	6.0	CK	5.82
		T1	3.30
		T2	3.91
		T3	4.31
	9.0	CK	7.19
		T1	3.84
		T2	4.85
		T3	6.16