2022
DOI: 10.3390/su142215134
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Suitable Tillage Depth Promotes Maize Yields by Changing Soil Physical and Chemical Properties in A 3-Year Experiment in the North China Plain

Abstract: Rotary tillage is a common farming method because of its ease of operation and low cost in the North China Plain. However, the rotary tillage depth is generally no more than 20 cm, and successive years of rotary tillage harden the root soil layers, which reduces maize’s ability to take root into the deep layer and decreases maize yields. The impact of the different rotary tillage depths and different plow pan thicknesses on maize yields was unclear and needs further study. In this study, a 3-year experiment wa… Show more

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Cited by 10 publications
(4 citation statements)
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“…The increased soil capillary porosity at depths of 10-40 cm can consequently improve soil water storage in the 0-40 cm profile (Figure 4), which helps tobacco crops survive summer droughts. Similar results have been reported by Wang et al [23] and Hassan et al [34], who attribute the increase in soil water storage under deep tillage treatment to improvements in soil total porosity, capillary porosity, soil permeability, and infiltration depth by breaking the plough pan [35][36][37].…”
Section: Discussionsupporting
confidence: 85%
See 1 more Smart Citation
“…The increased soil capillary porosity at depths of 10-40 cm can consequently improve soil water storage in the 0-40 cm profile (Figure 4), which helps tobacco crops survive summer droughts. Similar results have been reported by Wang et al [23] and Hassan et al [34], who attribute the increase in soil water storage under deep tillage treatment to improvements in soil total porosity, capillary porosity, soil permeability, and infiltration depth by breaking the plough pan [35][36][37].…”
Section: Discussionsupporting
confidence: 85%
“…In addition, summer droughts, usually occurring in July and August, often lead to a reduction in tobacco yield. The plough pan formed by the conventional tillage method limits root growth and the absorption of soil water and nutrients from deep soil layers [23], which is not beneficial to tobacco survival during summer droughts. In the mountainous Chongqing region, plastic film mulching on the ridges is widely used for tobacco cultivation.…”
Section: Introductionmentioning
confidence: 99%
“…and yield enhancement measures (crop sets, rotations and intercropping, etc. ), has an impact on plant‒soil-microbe relationships 64 , 65 .…”
Section: Discussionmentioning
confidence: 99%
“…Further advantages include protection of the soil against erosion, preservation of soil and water, cost and time savings, and increases in soil fertility (Sharma and Abrol, 2012). However, other researchers (Schneider et al, 2017;Wang et al, 2022;Schneider et al, 2017;Wang et al, 2022) found conventional tillage practises to improve the accessibility of subsoil nutrients to the plant, which increases its yield. Conventional tillage can disrupt soil layers, allowing roots to penetrate deeper and gain access to additional resources stored in the subsoil.…”
Section: Introductionmentioning
confidence: 99%