Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Impacts of straw return methods on crop yield, soil organic matter, and salinity in saline-alkali land in North China

Ying Song; Mingxiu Gao; Zhi Li

Field Crops Research · 2025

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Summary

This field study examined how different straw return techniques—such as incorporation, surface application, or other management practices—influence crop productivity and soil quality in saline-alkali soils common to North China. The work addresses the dual challenge of improving soil health through organic matter accumulation whilst managing salt and alkali stress that constrains productivity on marginal land. Findings may inform conservation agriculture practices adapted to alkaline soil conditions in arid and semi-arid regions.

UK applicability

Direct applicability to UK farming is limited, as saline-alkali soils are not widespread in the UK climate and agro-ecology. However, the mechanistic insights into straw decomposition and organic matter accumulation under challenging soil conditions may inform practices in salt-affected regions globally, including parts of coastal or irrigated agricultural zones.

Key measures

crop yield, soil organic matter, soil salinity, soil electrical conductivity, exchangeable sodium percentage

Outcomes reported

The study evaluated the effects of different straw return methods on crop yield, soil organic matter content, and soil salinity levels in saline-alkali agricultural land in North China. Measurements likely included grain yield, soil carbon stocks, soil electrical conductivity, and sodium/alkali indices across treatment comparisons.

Theme
Farming systems, soils & land use
Subject
Soil management and crop productivity in marginal soils
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Arable cereals
DOI
10.1016/j.fcr.2025.109752
Catalogue ID
NRmo3d4gae-03r

Topic tags

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