Nitrogen, phosphorus, potassium, sulphur
An edition of Nitrogen, phosphorus, potassium, sulphur (1994)
answers to your questions, a producer's version
By C. A. Campbell
Publish Date
1994
Publisher
Agriculture and Agri-Food Canada, Research Station
Language
eng
Pages
48
Description:
subjects: Nitrogen fertilizers, Potassium fertilizers, Fertilizers, Sulphur fertilizers, Sulfur fertilizers
Places: Canada