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August 21, 2025PlantsOpen Access

Legacy Effects of Different Preceding Crops on Grain Yield, Protein Fractions and Soil Nutrients in Subsequent Winter Wheat

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Field experiment reveals crop rotation influences grain yield and soil nutrients in winter wheat, suggesting leguminous crops are beneficial.

Leguminous crops significantly enhanced the grain yield of winter wheat, with mung bean increasing yield by 11.56% over maize.
Grain yield improvement was linked to a 4.05% rise in spike number and 14.31% increase in kernels per spike.
Soil organic matter was significantly higher in legume–winter wheat rotations compared to gramineous types, particularly with mung beans.
Multi-objective assessments highlighted legume-based rotations as superior for improving yield, protein quality, and soil nutrients.

Wang et al. (2025) studied this question.

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Field experiment reveals crop rotation influences grain yield and soil nutrients in winter wheat, suggesting leguminous crops are beneficial.