Optimizing water and phosphorus management to improve hay yield and water- and phosphorus-use efficiency in alfalfa under drip irrigation.

Food Sci Nutr · 2020 · PMC7215227 · PMID 32405397

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The total phosphorus in the no‐phosphorus treatment in the 0–20 cm soil layer showed a decreasing trend, but total phosphorus showed an increasing trend in 0–60 cm soil layer under the phosphorus treatment.

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