度尾文旦柚叶片矿质元素含量的适宜值

王贤达,范国成,李健

Optimum Content of Mineral Elements in the Leaves of Duweiwendan Pomelo (Citrus grandis (L.) Osbeck. cv. Duweiwendan)

WANG XianDa,FAN GuoCheng,LI Jian

表2 基于裂果平均指数差异的叶片矿质营养方差分析

Table 2 Variance analysis of leaf mineral nutrition based on difference of FCAI

元素 Element	平均值Mean FCAI≥FCAI_Mean n1=120	平均值Mean FCAI<FCAI_Mean n2=80	D	方差分析 ANOVA		协方差分析 Co-ANOVA		协变量 Co-factor
元素 Element	平均值Mean FCAI≥FCAI_Mean n1=120	平均值Mean FCAI<FCAI_Mean n2=80	D	F	P	F	P	F	P
果实裂宽平均指数 FCAI (%)	30.36	11.07	19.30	312.09	<.0001	-	-	-	-
N (%)	2.863	2.863	0.00	0.00	0.9856	-	-	1.67	0.1974
P (%)	0.1388	0.1377	0.00	-	-	0.47	0.4932	10.68	0.0013
K (%)	2.218	2.256	-0.04	-	-	1.16	0.2830	19.45	<.0001
Ca (%)	3.272	3.175	0.10	-	-	1.36	0.2445	14.52	0.0002
Mg (%)	0.3072	0.2902	0.02	2.91	0.0899	-	-	1.86	0.1743
Cu (mg·kg^-1)	15.08	16.91	-1.82	-	-	2.84	0.0937	52.55	<.0001
Zn (mg·kg^-1)	22.22	20.93	1.30	-	-	2.45	0.1192	8.28	0.0045
Fe (mg·kg^-1)	79.54	86.77	-7.23	2.87	0.0921	-	-	0.01	0.9367
Mn (mg·kg^-1)	54.64	51.81	2.84	0.52	0.4696	-	-	2.66	0.1045
B (mg·kg^-1)	136.7	126.9	9.75	-	-	3.92	0.0490	3.51	0.0625
Mo (mg·kg^-1)	0.1409	0.1562	-0.02	-	-	0.41	0.5233	8.46	0.0041
S (%)	0.3088	0.3005	0.01	-	-	1.88	0.1723	10.28	0.0016