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Suggested Topics within your search.
- Nitrogen fertilizers
- Fertilizers 45
- Environmental aspects 32
- Phosphatic fertilizers 25
- Plants 16
- Effect of nitrogen on 12
- Management 12
- Soils 12
- Organic fertilizers 11
- Nitrogen 10
- Nitrogen content 10
- Pollution 10
- Winter wheat 10
- Manure handling 9
- Nitrogen cycle 9
- Quality 9
- Water quality management 9
- Groundwater 8
- Growth 8
- Control 7
- Douglas fir 7
- Irrigation 7
- Irrigation water 7
- Fertilizer industry 6
- Government policy 6
- Law and legislation 6
- Nitrates 6
- Application 5
- Crops and nitrogen 5
- Forest soils 5
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Nitrogen in agricultural systems implications for conservation policy /
Published 2011Online Access
Online Access
Government Document Electronic eBook
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Natural Gas : Domestic Nitrogen Fertilizer Production Depends on Natural Gas Availability and Prices.
Published 2003Full Text (via ProQuest)
Government Document eBook -
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Natural gas : domestic nitrogen fertilizer production depends on natural gas availability and prices.
Published 2003Online Access
Online Access
Government Document eBook -
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Update on fertilizer suggestions as applied to swine effluent utilization /
Published 2002Government Document Book -
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Improving nitrogen use efficiency in crop production /
Published 2024Full Text (via Taylor & Francis)
eBook -
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Nitrogen and phosphorus soil test calibration study on dryland wheat, 1989-1990 /
Published 1991Government Document Book -
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Update on manure and effluent recommendations /
Published 2000Click here to view online
Government Document Book -
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Effects of nitrogen and phosphorus fertilizer on planted ponderosa pine in west-central Idaho /
Published 1980Search for the full-text version of this title in HathiTrust
Government Document Book