P.J.A. Withers

3 books • 1 series

Dec 8, 2011
Cover of Scope for Innovation in Crop Nutrition to Support Potential Crop Yields

Scope for Innovation in Crop Nutrition to Support Potential Crop Yields (Proceedings of the International Fertiliser Society, #700)

Dec 31, 1996
Cover of Development of Sulphur Deficiency in Crops and its Treatment

Development of Sulphur Deficiency in Crops and its Treatment (Proceedings of the International Fertiliser Society, #379)

Dec 31, 1995
Cover of Contribution of Agricultural Phosphorus to Eutrophication

Contribution of Agricultural Phosphorus to Eutrophication (Proceedings of the International Fertiliser Society, #365)