Field Crops Research · 2023
Model-based optimal management strategies to mitigate soil acidification and minimize nutrient losses for croplands
Xu, D., Zhu, Q., Ros, G. H., Xu, M., Wen, S., Zhang, F., de Vries, W.
Abstract
No abstract in the library.
Findings
What changed what, as the paper reports it. Grouped by the measured property.
total grain yield (wheat and maize)
↑ 11
- increase
with soil pHsignificant · 0–20 cm · Qiyang long-term experiment, 1990–2018; crop data1991–2018 · Qiyang Experimental Station · Pooled observations from NPK, NPKL and NPKM plots (not CK); observed pH-yield relationship, not a randomized pH manipulation. Yield rose below pH5.7 and plateaued above5.7. Text reports60% explained, criticalpH5.6 at95%maximum. Model simulations of base/Al saturation and nutrient budgets excluded. Table2 says2016-2018 yields assumed equal2011-2015 mean.
Source · p. 7
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