The Application Effect of Degradable Mulching Film on Spring Planting Sugarcane

doi:10.11924/j.issn.1000-6850.casb2022-0386

Abstract

Abstract:

Four kinds of degradable mulching film were used as research materials to select the suitable one for spring planting sugarcane. The degradation characteristics of the mulching film were studied, and the effects of degradable mulching film on the height, stem diameter, stem number, Brix and yield of sugarcane in mature stage were studied. The results showed that: the continuous effective mulching time of Degradation No.2 and No.3 was 80 days, and the field mulching time of the two kinds of degradable mulching film could meet the water and temperature requirements of spring sugarcane germination. Soil temperature and soil moisture were beneficial to sugarcane germination under the mulching treatment of Degradation No.2. In the mature stage of sugarcane, the sugarcane plant height of Degradation No.1 treatment was the lowest, the sugarcane stem diameter of polyethylene film treatment was the lowest, the sugarcane effective stem number of Degradation No.2 treatment was the highest (77748 plants/hm²), and the sugarcane stem Brix under Degradation No.3 treatment was the highest. The sugarcane yield of Degradation No.2, No.3 and No.4 treatments was higher than that of polyethylene film treatment. However, there was no significant difference among the treatments (P<0.05). The comprehensive analysis showed that the effective coverage time of Degradation No.2 could meet the requirements of sugarcane germination, and the stem yield and sugar content (Brix) of sugarcane in mature stage are relatively high. Therefore, Degradation No.2 is feasible to be popularized and applied in a large area sugarcane planting.

Key words: sugarcane, spring planting, degradable mulching film, morphological characteristics, yield, Brix

TANG Guolei, DAI Guangwei, FENG Lu, CHEN Guowei, LI Xiaofu, PU Ming, LI Rudan. The Application Effect of Degradable Mulching Film on Spring Planting Sugarcane[J]. Chinese Agricultural Science Bulletin, 2023, 39(13): 8-12.

Figures/Tables 5

References 29

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处理	40 d	60 d	80 d	100 d	120 d
降解1号	○	+	++		+
降解2号	○	○	+	++
降解3号	○	○	+	++
降解4号	○	○	○	+	++
聚乙烯膜	○	○	○	○	○

处理	40 d	60 d	80 d	100 d	120 d
降解1号	○	+	++		+
降解2号	○	○	+	++
降解3号	○	○	+	++
降解4号	○	○	○	+	++
聚乙烯膜	○	○	○	○	○

处理	40 d	60 d	80 d	100 d	120 d
降解1号	15.83A	14.18B	16.49A	18.73A	19.75A
降解2号	15.87A	15.71A	16.12A	18.39A	19.74A
降解3号	16.00A	15.92A	16.24A	18.43A	18.62B
降解4号	15.80A	15.69A	15.89A	17.80B	18.22B
聚乙烯膜	16.01A	15.86A	16.19A	17.73B	18.63B

处理	40 d	60 d	80 d	100 d	120 d
降解1号	15.83A	14.18B	16.49A	18.73A	19.75A
降解2号	15.87A	15.71A	16.12A	18.39A	19.74A
降解3号	16.00A	15.92A	16.24A	18.43A	18.62B
降解4号	15.80A	15.69A	15.89A	17.80B	18.22B
聚乙烯膜	16.01A	15.86A	16.19A	17.73B	18.63B

处理	40 d	60 d	80 d	100 d	120 d
降解1号	25.2B	28.0A	26.3C	24.8C	25.0C
降解2号	25.6A	28.5A	27.3B	24.5C	25.5BC
降解3号	25.7A	28.4A	27.5B	24.4C	25.5BC
降解4号	25.6A	28.5A	28.4A	27.6B	25.7B
聚乙烯膜	25.5A	28.7A	28.3A	28.2A	27.3A