Economic control of fertilizer in highly productive pastoral systems. I. A theoretical framework for the fertilization problem KR Middleton OriginalPaper Pages: 301 - 313
Economic control of fertilizer in highly productive pastoral systems. II. Designing field trials with physiologically balanced fertilizer through subtractive pot experiments KR Middleton OriginalPaper Pages: 315 - 330
Economic control of fertilizer in highly productive pastoral systems. III. A hypothetical model to quantify upgrading from a primitive into a highly productive state KR Middleton OriginalPaper Pages: 331 - 345
Economic control of fertilizer in highly productive pastoral systems. IV. An appropriate model for a stable upgraded state KR Middleton OriginalPaper Pages: 347 - 356
Yield response of rubber (Hevea brasiliensis) to fertilizers on an Ultisol in Nigeria OU Onuwaje OriginalPaper Pages: 357 - 360
Effect of dicyandiamide on ammonia volatilisation from urea in soil GA Rodgers OriginalPaper Pages: 361 - 367
Relationship between growth rate, fertilizing and foliar nutrient concentrations forEucalyptus grandis; preliminary investigations APG SchönauMA Herbert OriginalPaper Pages: 369 - 380
Uptake of NPK and yield of rainfed groundnut (Arachis hypogaea L.) S Rami ReddyG NarasimhuluGHS Reddi OriginalPaper Pages: 381 - 385
