No Film Mulching Drip Irrigation in Southern Xinjiang: Effects on Cotton Seedling Emergence and Growth Index

doi:10.11923/j.issn.2095-4050.cjas20190400001

Abstract

Abstract:

To explicit the effects of no film mulching on the cotton emergence, growth index and yield in desert oasis zone in southern Xinjiang, split block design was used with the cultivation methods of film mulching and no film mulching assigned as the main plots, and the cotton varieties of ‘CCRI619’, ‘XZ48’ and ‘CCR174’ assigned as the sub plots. We studied the emergency, plant traits, growth index and yield of cotton by the methods of field experiment and laboratory analysis. The results showed that: (1) under no film mulching, the seed germination, the top soil breaking capacity, the emergency rate decreased, and the uniformity of seedling was bad; (2) compared with the film mulching, the no film mulching significantly reduced the economic output of cotton groups, extremely and significantly reduced the population biomass, and had a little effect on the plant traits and dry matter partition of cotton; (3) there was no significant difference of seed cotton yield per plant between the film mulching and no film mulching, whereas, under no film mulching, significant differences of seed cotton per plant and the economic yield of population were found among the three varieties, showing the yield of ‘CCRI619’ significantly higher than that of the other two. The ‘CCRI619’ is suitable for no film mulching cultivation of cotton in southern Xinjiang.

Key words: Cotton, No Film Mulching, Seedling Emergence, Growth Index, Dry Material, Yield, Southern Xinjiang

CLC Number:

S562

Wen Qinglin, Liu Shaodong. No Film Mulching Drip Irrigation in Southern Xinjiang: Effects on Cotton Seedling Emergence and Growth Index[J]. Journal of Agriculture, 2021, 11(6): 19-24.

Figures/Tables 7

References 27

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处理	品种	播后5 d（拱土）	播后7d（破土）	播后9d（出苗）	播后11 d（出苗）	播后13 d（出苗）
无膜	CCRI619	80.5B	70.1C	65.7C	76.3D	85.4C
	XZ48	50.3C	32.5D	28.3D	43.7%E	60.8D
	CCRI74	40.6D	26.4E	25.8E	39.8F	54.4E
覆膜	CCRI619	95.2A	93.5A	92.8A	94.5%A	94.5A
	XZ48	92.1A	89.7AB	88.9AB	90.7BC	90.9AB
	CCRI74	93.4A	90.4AB	89.2AB	92.9AB	93.1A

处理	品种	播后5 d（拱土）	播后7d（破土）	播后9d（出苗）	播后11 d（出苗）	播后13 d（出苗）
无膜	CCRI619	80.5B	70.1C	65.7C	76.3D	85.4C
	XZ48	50.3C	32.5D	28.3D	43.7%E	60.8D
	CCRI74	40.6D	26.4E	25.8E	39.8F	54.4E
覆膜	CCRI619	95.2A	93.5A	92.8A	94.5%A	94.5A
	XZ48	92.1A	89.7AB	88.9AB	90.7BC	90.9AB
	CCRI74	93.4A	90.4AB	89.2AB	92.9AB	93.1A

处理	品种	株高/cm	主茎叶数/片	果节数/节	铃数/个	果枝台数/个
处理	品种	株高/cm	主茎叶数/片	果节数/节	铃数/个	总台数	有效台数
无膜	CCRI619	61.53	13.78	18.33	8.00	9.89	7.22
	XZ48	62.78	13.78	15.00	7.22	8.78	7.22
	CCRI74	55.43	14.00	17.44	8.08	9.22	7.78
覆膜	CCRI619	65.75	13.67	20.11	8.83	9.22	8.00
	XZ48	64.91	14.11	15.78	7.11	8.44	7.00
	CCRI74	61.43	13.78	18.67	8.78	9.56	8.08

处理	品种	株高/cm	主茎叶数/片	果节数/节	铃数/个	果枝台数/个
处理	品种	株高/cm	主茎叶数/片	果节数/节	铃数/个	总台数	有效台数
无膜	CCRI619	61.53	13.78	18.33	8.00	9.89	7.22
	XZ48	62.78	13.78	15.00	7.22	8.78	7.22
	CCRI74	55.43	14.00	17.44	8.08	9.22	7.78
覆膜	CCRI619	65.75	13.67	20.11	8.83	9.22	8.00
	XZ48	64.91	14.11	15.78	7.11	8.44	7.00
	CCRI74	61.43	13.78	18.67	8.78	9.56	8.08

处理	品种	RGR/[g/(g·d)]		NAR/[g/(m²·d)]		SLA/(m²/g)		CGR/[g/(m²·d)]
处理	品种	蕾期	花铃期	蕾期	花铃期	蕾期	花铃期	蕾期	花铃期
无膜	CCRI619	4.15	5.16	6.19	6.06	11.26	25.92	1.37	4.64
	XZ48	4.26	5.02	6.31	5.86	13.12	23.73	2.00	4.37
	CCRI74	4.21	4.90	6.31	5.54	11.92	13.68	1.69	2.71
覆膜	CCRI619	4.39	5.11	5.80	5.93	12.35	15.87	2.23	5.39
	XZ48	4.25	5.16	6.14	6.26	17.89	18.43	2.07	4.38
	CCRI74	4.39	4.53	5.64	5.84	21.18	12.49	2.38	2.73