Effects of Cyclic Aeration Subsurface Drip Irrigation on Greenhouse Tomato Quality and Water and Fertilizer Use Efficiency.

The analysis of variance revealed a highly significant impact of the aeration treatment on the soluble solid content, organic acid content, and sugar acid ratio of the tomatoes ( p < 0.01).

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The nitrogen, phosphorus, and potassium absorption efficiencies of greenhouse tomatoes all exhibited a decreasing trend with increased fertilizer application, while the utilization efficiency initially increased and then decreased with the rise in fertilizer application.

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The ratio of soluble solids, organic acids, and sugar acids were highest at high aeration irrigation levels and showed an increasing trend with the increase in aeration capacity.

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