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Stikstofvoorsiening aan die grond deur die lupienspesies Lupinus albus, L. luteus en L. angustifolius
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Fertigation : the effect of irrigation regime, nitrogen source and pulse stage on the redistribution of applied nitrogen in orchard soils
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Die invloed van stikstof en swael op die groei, opbrengs en bakkwaliteit van twee lentekoringkultivars
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Response of canola (Brassica napus L.) to increasing nitrogen application rates in contrasting environments
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Effect of selective pruning cuts on the vegetative and reproductive growth and the nitrogen and carbohydrate reserves of Protea cv. Carnival
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Die invloed van stikstofbemisting op die graanopbrings, die samestelling en die kwaliteit van koring (Triticum vulgare)
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Invloed van stikstofdraers as bobemesting op vegetatiewe groei, opbrengskomponente en kwaliteit van die koringcultivars Palmiet en SST 66
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Die invloed van stikstof-, kalium- en kalsiumtoedienings op die intensiteit van skilverkurking by Golden Delicious appels
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Ureum as stikstofbron by die bemesting van vrugtebome
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The influence of granular and liquid top-dressed nitrogen on nitrogen use efficiency (NUE), grain yield and quality parameters of spring wheat (Triticum aestivum L.)
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Physiological and metabolic factors determining nitrogen use efficiency of tomato seedlings grown with elevated dissolved inorganic carbon and different nitrogen sources
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Spektroskopiese ondersoekings in verband met aktiewe stikstof
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Characterisation of soda lignins as raw materials soil improving materials
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A study of factors affecting the symbiosis between two varieties of Lupinus angustifolius L. and two isolates of Rhizobium lupini (Schroeter) Ekhardt, Baldwin & Fred
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The effect of different soil yeasts on the growth and physiology of lupin and wheat
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The influence of seeding rate and nitrogen on the development, yield components and yield of two wheat varieties
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Response of cabbage (Brassica Oleracea Var Capitata) transplants to nitrogen, phosphorus and potassium nutrition
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Evaluering van verdeelde stikstofbobemesting op kwaliteitseienskappe van koring
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Die effek van stikstofbemesting by opeenvolgende groeistadiums op graankwaliteit van die koringkultivar liesbeeck
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Die ontwikkeling, opbrengs en stikstofinhoud van clippergars, soos beinvloed deur stikstoftoediening op verskillende groeistadiums
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Can nitrogen isotopes be used to detect the effects of burning on nitrogen cycling? A study on Pinus resinosa in Minnesota, USA
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Die invloed van stikstofbemesting volgens reenval op groei, opbrengs en stikstofbenutting van lentekoring in die Swartland
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Using adaptive management and modelling to improve nitrogen and water use efficiency in crop production : a case study using annual ryegrass
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Developing nitrogen fertiliser management strategies for canola (Brassica napus L.) under conservation agriculture practices in the Western Cape
