Effects of different film mulching methods on yield and water use efficiency of maize

doi:10.14088/j.cnki.issn0439-8114.2022.03.007

Abstract

Abstract: Drought and water shortage affect maize yield,and it is of great significance to improve grain yield and water use efficiency of spring maize in hilly areas of Yanshan. Film mulching can reduce soil water evaporation and improve water conditions. The field experiment of maize was carried out in 2017—2018. Four treatments,including no film mulching （CK）, film mulching on rows, film mulching between rows and all-film double-furrow sowing,were set up. The soil moisture content, maize growth period, soil bulk density,maize yield and yield influencing factors were measured,and the soil water storage,water consumption and water use efficiency were calculated. The results showed that the change trend of soil moisture content in 0~20 cm and 20~40 cm soil layers was the same among all treatments,and the highest was the treatment of all-film double-furrow sowing. The maize grain yield,ear length, ear diameter, number of grains per ear and 1 000 grain weight of all-film double-furrow sowing were the highest. All-film double-furrow sowing planting mode could prolong the growth period of maize,improve water use efficiency and significantly increase maize grain yield,which was suitable for application in arid and rainless areas.

Key words: maize, film mulching method, yield, water use efficiency

CLC Number:

S513

DONG Zhe, BIAN Li-mei, ZHENG Wei, ZHANG Li-yan, ZHANG Hao, MENG Fan-sheng. Effects of different film mulching methods on yield and water use efficiency of maize[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(3): 32-35.

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