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Relationships Between Soil Test Phosphorus, Soluble Phosphorus, and Phosphorus Saturation in Delaware Soils

✍ Scribed by Pautler, Maria C.; Sims, J.Thomas

Book ID
121523962
Publisher
The American Society of Agronomy
Year
2000
Tongue
English
Weight
374 KB
Volume
64
Category
Article
ISSN
0361-5995

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Phosphorus saturation in soils and groun
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On average, crops require about 30 kg ha-' y-' of P in humid regions. In some regions fertilizer and manure are applied in amounts that exceed this. The surplus of P in agricultural areas is about 20-45 kg ha-' y-'. This implies an accumulation of P. The surplus of P estimated from the balance of ag