Based on field plot experiments in the Ansai region, Shaanxi Province, the paper analyzed net photosynthetic rate, stomatal conductance and water-use efficiency in soybean leaves at full-bloom stage under different tillage and fertilization. The LI-6400 portable photosynthesis system was used in the analysis. The treatments included plow tillage with chemical fertilizer (CF), plow tillage with organic fertilizer (CM), non-fertilized plow tillage (CN), fertilized no-tillage (NF), no-tillage with organic manu...
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