Effects of Liquid Mulching Film on Agronomic Traits, Yield of Peanut and Soil Fertility

doi:10.11924/j.issn.1000-6850.casb2022-0956

Abstract

Abstract:

To alleviate the environmental pollution and land degradation caused by the widespread application of plastic film in peanut planting, and to explore the application effect of liquid mulching film, this paper compared the effects of three different liquid mulching film on agronomic traits, the yield of peanut and soil fertility with the bare land without film mulching as the control. The results showed that liquid film could promote the growth of main stem mass and lateral branch length, and improve the pod traits and the yield of peanut. The functional liquid film B had the most obvious effect among the three treatments. The main stem height and lateral branch length of peanut increased by 10.34 cm and 11.00 cm. The full fruit rate increased by 18.5%, the immature peanuts rate increased by 50.0%, and the blighted peanuts rate decreased by 19.9%. Through yield estimation, the yield of spraying functional liquid film B was higher than that of bare land by 1620 kg/hm². Through soil nutrient analysis, liquid film reduced the effective nutrients such as soil organic carbon during peanut harvest. It may be that liquid film improved the hydrothermal conditions of the soil, and promoted the growth and nutrient absorption of peanuts.

Key words: liquid mulching film, peanut, agronomic traits, yield, soil fertility

SONG Li, QIN Jie, LI Xuan, WU Xiaoyan. Effects of Liquid Mulching Film on Agronomic Traits, Yield of Peanut and Soil Fertility[J]. Chinese Agricultural Science Bulletin, 2023, 39(33): 33-37.

Figures/Tables 4

References 21

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	百果重/g	百仁重/g	荚果产量/(kg/hm²)	增产/%
A	127.46	56.77	1777.73	16.08
B	148.28	65.4	3151.64	105.79
C	133.67	53.5	2626.98	71.53
CK	137	51.8	1531.53	—

	百果重/g	百仁重/g	荚果产量/(kg/hm²)	增产/%
A	127.46	56.77	1777.73	16.08
B	148.28	65.4	3151.64	105.79
C	133.67	53.5	2626.98	71.53
CK	137	51.8	1531.53	—

处理	全氮	有机碳	全磷	有效磷
A	1.31±0.02 ab	10.85±0.12 b	0.91±0.05 b	0.02±0.00 b
B	1.22±0.04 b	10.92±0.36 b	0.81±0.03 b	0.02±0.00 b
C	1.31±0.01 ab	11.27±0.07 b	1.12±0.01 a	0.03±0.00 b
CK	1.47±0.08 a	12.18±0.18 a	1.09±0.04 a	0.04±0.00 a

处理	全氮	有机碳	全磷	有效磷
A	1.31±0.02 ab	10.85±0.12 b	0.91±0.05 b	0.02±0.00 b
B	1.22±0.04 b	10.92±0.36 b	0.81±0.03 b	0.02±0.00 b
C	1.31±0.01 ab	11.27±0.07 b	1.12±0.01 a	0.03±0.00 b
CK	1.47±0.08 a	12.18±0.18 a	1.09±0.04 a	0.04±0.00 a