施肥对半干旱沙地玉米生产力及其稳定性的影响

张蕊, 武雅琳, 李玉霖, 连杰

The influence of fertilization on the sandy farmland productivity and stability of corn in semi-arid areas

Rui Zhang, Yalin Wu, Yulin Li, Jie Lian

表3 不同处理下沙质农田玉米农艺性状和穗部特征

Table 3 Agricultural traits and ear characteristics of corn in different treatments in sandy farmland

年份	处理	CK	ST	CH	FA	CF_2	CH_2
2019	ZG/cm	205.0±14.9^bc	194.6±13.3^c	266.2±11.8^ab	279.8±30.8^b	359.0±124.3^a	268.0±24.3^bc
	JC/mm	20.9±2.2^c	21.1±1.4^c	27.5±4.6^ab	28.9±4.2^a	23.3±3.0^bc	25.7±3.4^ab
	SWG/cm	72.0±8.7^c	68.0±7.4^c	107.2±12.4^b	113.8±16.9^ab	128.8±14.1^a	106.4±10.1^b
	SCH/cm	14.7±1.7^c	16.1±2.0^c	26.1±5.2^a	21.8±1.9^b	22.2±1.6^b	22.2±2.2^b
	TDC/cm	3.3±2.0^a	3.2±1.3^a	5.1±4.2^a	3.6±0.9^a	4.8±1.6^a	3.7±2.3^a
	SCU/mm	43.0±2.4^c	46.9±3.7^b	55.7±3.7^a	55.6±1.7^a	57.2±1.1^a	54.4±3.6^a
	SH	12.8±2.7^b	14.4±3.3^b	15.2±1.8^ab	15.6±0.9^ab	18.0±1.4^a	15.6±2.2^ab
	HL	24.8±7.4^b	27.2±1.8^b	43.8±6.8^a	39.4±4.7^a	36.4±4.6^a	39.2±7.2^a
	BL/g	19.8±2.8^b	19.5±1.7^b	33.1±5.2^a	30.5±3.3^a	31.0±2.1^a	28.8±2.1^a
2023	ZG/cm	190.2 ±29.0^e	208.4±21.7^de	273.8±18.0^ab	253.2±18.5^bc	284.2±17.0^a	235.2±27.3^cd
	JC/mm	16.8±1.6^b	19.2±2.6^ab	20.8±2.5^a	20.2±1.9^a	20.2±1.9^a	20.0±2.0^a
	SWG/cm	53.8±13.0^d	71.4±16.5^cd	103.6±16.9^ab	102.4±10.6^ab	115.8±16.8^a	86.2±18.1^bc
	SCH/cm	10.5±2.3^e	11.9±2.4^de	19.2±2.5^a	14.7±1.2^cd	18.1±2.3^ab	15.9±2.0^bc
	TDC/cm	1.3±0.9^a	1.4±1.0^a	2.0±1.0^a	1.9±0.6^a	1.9±0.8^a	2.1±0.9^a
	SCU/mm	32.8±5.9^c	39.8±7.0^b	47.2±2.6^a	46.0±1.7^a	47.4±2.5^a	44.6±2.5^ab
	SH	14.0±2.8^a	13.6±3.8^a	16.0±2.0^a	15.2±1.1^a	16.0±2.4^a	14.8±1.8^a
	HL	20.0±7.5^d	24.4±3.0^cd	42.4±8.6^a	31.4±2.2^bc	38.2±5.8^ab	32.8±2.9^b
	BL/g	22.4±4.7^b	24.6±3.5^b	34.8±4.0^a	30.4±2.3^a	34.0±1.6^a	31.2±3.7^a
2024	ZG/cm	217.9±13.8^d	244.2±7.3^c	283.2±16.4^b	301.6±28.1^b	324.2±16.5^a	279.0±11.4^b
	JC/mm	19.7±1.6^b	20.1±2.8^ab	22.1±3.4^ab	20.1±4.2^ab	22.5±2.9^ab	24.3±2.8^a
	SWG/cm	80.0±33.4^ab	76.6±19.3^b	102.2±31.9^ab	111.4±39.5^ab	122.0±26.5^a	120.4±25.9^a
	SCH/cm	15.4±0.9^b	16.0±1.4^b	18.4±3.2^ab	17.0±3.8^ab	20.3±4.4^a	20.2±1.9^a
	TDC/cm	2.0±1.6^a	1.4±1.3^a	1.8±1.3^a	1.8±1.3^a	1.7±1.5^a	2.7±1.8^a
	SCU/mm	47.3±2.6^b	46.3±3.3^b	50.0±4.5^ab	50.0±5.3^ab	54.1±3.5^a	49.5±5.1^ab
	SH	14.8±1.1^a	14.4±2.6^a	16.4±1.7^a	14.8±3.0^a	16.4±1.7^a	16.0±1.4^a
	HL	27.0±3.9^c	30.6±1.9^bc	37.2±6.8^ab	32.8±7.0^abc	41.0±10.7^a	40.2±7.4^ab
	BL/g	24.2±5.5^b	30.2±4.9^ab	33.0±2.8^a	29.6±6.8^ab	31.4±5.1^ab	32.4±4.6^a