Long term co‐application of biochar and fertilizer could increase soybean yield under continuous cropping: insights from photosynthetic physiology
Di Wu,
Yuxue Zhang,
Wenqi Gu
et al.
Abstract:BackgroundPhotosynthesis is the key to crop yield. The effect of biochar on photosynthetic physiology and soybean yield under continuous cropping is unclear. We conducted a long‐term field experiment to investigate the effects of co‐application of biochar and fertilizer (BCAF) on these parameters. Five treatments were established: F2 (fertilizer), B1F1 (3 t·hm‐2 biochar plus fertilizer), B1F2 (3 t·hm‐2 biochar plus reduced fertilizer), B2F1 (6 t·hm‐2 biochar plus fertilizer), and B2F2 (6 t·hm‐2 biochar plus re… Show more
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