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O.P. Engelstad

28

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414

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Phosphate fertilizers and the environment: a discussion paper.

1993
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Citations (7)
Water solubility of phosphate fertilizers: agronomic aspects, a literature review

1992
- O.P. Engelstad
- D.T. Hellums
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Citations (10)
Rate of Phosphorus and Potassium Buildup/Decline with Fertilization for Corn and Wheat on Nebraska Mollisols 1

1987 Soil Science Society of America Journal
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Production, Marketing, and Use of Phosphorus Fertilizers

1985
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Fertilizer Market Profile

1985
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Yield-Nutrient Absorption Relationships as Affected by Environmental Growth Factors 1

1976 Agronomy Journal
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Concentrations of N and P in Young Corn Plants, as Affected by Various Growth-limiting Factors 1

1972 Agronomy Journal
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Citations (8)
Soil phosphorus and sulfur

1972
- R. A. Olson
- O.P. Engelstad
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Effect Of Form And Proximity Of Added N On Crop Uptake Of P

1971 Soil Science
- O.P. Engelstad
- S.E. Allen
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Ammonium Pyrophosphate and Ammonium Orthophosphate as Phosphorus Sources: Effects of Soil Temperature, Placement, and Incubation 1

1971 Soil Science Society of America Journal
- O.P. Engelstad
- S.E. Allen
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Citations (15)