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| Filter results2 paper(s) found. |
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1. Ammonia Volatilization from Urea Vs. Alternative Nitrogen FertilizersSubstantial ammonia (NH3) volatilization can occur from surface application of urea on sandy soils with low pH buffering capacity such as those in the semi-arid Columbia Basin. Previous studies have reported loss of up to 60% of urea-N as ammonia on these soils. The objective of this study was to quantify ammonia loss per acre for urea and for alternative N fertilizer products, including: sulfur-coated urea (SCU), urea coated with NBPT urease inhibitor (urea + Agrotain), ammonium sulfate... S. Del moro, D. Sullivan, D. Horneck |
2. Sus-Terra Enhanced Efficiency Phosphorus Fertilizer on Potato Grown in Calcareous SoilPotato (Solanum tuberosum L.) has a relatively high demand for phosphorus (P), especially on calcareous soil where the availability of P in hindered by poor solubility. Sus-Terra is claimed to be an enhanced efficiency fertilizer compared to other P sources. The objective of this trial was to evaluate the differences in uptake efficiency and yield for multiple P sources compared to a no P control applied to Russet Burbank potato. Field trials with six replications in a RCBD were... L.K. Sannar, B.G. Hopkins, T.J. Hopkins |