Strip tillage promotes crop yield in comparison with no tillage based on a meta-analysis

Dou, Shuxian; Wang, Zhiping; Tong, Jiacheng; Shang, Ziyin; Deng, Aixing; Song, Zhenwei; Zhang, Weijian

doi:10.1016/j.still.2024.106085

Cited by 7 publications

(1 citation statement)

References 56 publications

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“…Compared with no-tillage, ST enhanced seed emergence and crop yields by creating loose seedbeds and increasing soil temperature, especially in our study region, which experiences a cold and dry climate during the spring (Chen et al, 2021;Dou et al, 2024). Licht and Al-Kaisi (2005a) found that the soil temperature was lower (by 1.2 °C-1.5 °C) under no-tillage than under ST and chisel tillage at a depth of 5 cm.…”

Section: Soil Temperaturementioning

confidence: 64%

Effect of strip tillage widths on soil moisture, soil temperature and soil structure in northeast China

Wang,

Ai,

Chen

et al. 2024

Front. Environ. Sci.

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Strip tillage is an effective tillage technique, which included the strip seedbed tilled area (ST-IR) and the straw-covered area between the seedbeds (ST-BR). However, soil hydrothermal conditions and soil disturbance varies with strip tillage widths, which might affect crop growth and yields. Therefore, this study explored the effect of strip tillage width on the soil hydrothermal conditions and soil structure of ST-IR and ST-BR, to determine the optimal strip tillage width. A field experiment with three replicates was conducted to analyze soil moisture and soil temperature variation and to clarify the difference of soil structure in the IR and BR. Three strip tillage widths, 20 cm (ST20), 30 cm (ST30), and 40 cm (ST40), were examined in this study. Soil temperature in both the ST-IR and ST-BR increased as the strip tillage width increased, and the average soil temperature of ST30-IR and ST40-IR in the seedling stage was 2.11°C and 2.62°C higher than that of ST20-IR, respectively. Moreover, the daily soil temperature range in both the IR and BR was greater for ST40 than for ST20 and ST30 in the seedling stage; soil temperature differences in other crop growth stages were small. No significant difference in soil temperature was observed between ST30-IR and ST40-IR. Conversely, soil moisture was greater in ST20-IR and ST30-IR than in ST40-IR; soil moisture was also greater in ST30-BR and ST40-BR than in ST20-BR during the monitoring period. Soil moisture in ST40-IR and ST20-BR increased and decreased more rapidly during rainfall events than in the other treatments. Moreover, soil temperature was higher in the ST-IR than in the ST-BR for all 3 strip tillage widths, and the opposite results were observed for soil moisture. In addition, strip tillage widths had no significant differences on soil structure. In conclusion, a 30 cm strip tillage width had higher soil temperature and remained more soil moisture than other strip tillage widths, so this strip tillage width is thus recommended for use by farmers in Northeast China.

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Section: Soil Temperaturementioning

confidence: 64%