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PROCEEDINGS: 142d

Variation in Response of Grass to Fertiliser N in Relation to the Environment

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PROCEEDINGS: 142c

Use of Nitrogen Fertilisers on Grassland for Milk Production

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PROCEEDINGS: 142b

Quantity and Timing of Fertiliser N for Grass and Grass/Clover Swards

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PROCEEDINGS: 142a

Role of Nitrogen in Grassland Productivity

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PROCEEDINGS: 113

Urea-Agronomic Applications

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PROCEEDINGS: 99

Potassium Nitrate

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PROCEEDINGS: 90

Isobutylidene Diurea as a Slow Acting Nitrogen Fertiliser and the Studies in this Field in Japan

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PROCEEDINGS: 85

Ammonium Nitrate: Manufacture and Use

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PROCEEDINGS: 80

Nitrogen Fertilisers: Their Place in Food Production, the Forms which are made and their Efficiencies

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PROCEEDINGS: 37

N.P.K. Residues from Fertilisers and Farmyard Manure in Long-Term Experiments at Rothamsted

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PROCEEDINGS: 25

Investigations on the Agricultural Value of Nitrophosphate and Anhydrous Ammonia

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