Great Britain. Ministry of Agriculture, Fisheries and Food. (1979). Fertiliser recommendations for agricultural and horticultural crops (2nd ed.). HMSO.
Tohutoru Kātū ChicagoGreat Britain. Ministry of Agriculture, Fisheries and Food. Fertiliser Recommendations for Agricultural and Horticultural Crops. 2nd ed. London: HMSO, 1979.
Tohutoro MLAGreat Britain. Ministry of Agriculture, Fisheries and Food. Fertiliser Recommendations for Agricultural and Horticultural Crops. 2nd ed. HMSO, 1979.
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