Occurrence of nutrient constraint at any phonological growth stage on multi-nutrient deficient soils could jeopardize the incentives accruing through otherwise balanced fertilization in highly diversified nutrient demanding flower varieties. The current state of knowledge on the subject, especially under open field conditions is very limited, although, technology for protected cultivation using hydroponics is very well established. The subject relating open field Floriculture becomes still very complex in the absence of knowledge on kinetics and co-kinetics of different nutrients being partitioned across different growth stages so that the growth stage wise nutrient demand is precisely determined, and accordingly type and source of nutrients are fed synchronising the physiological nutrient demand. Development of microbial consortium (microbial reactor) exploiting the native and natural microbial synergisms (with twin role as growth promoter and antagonistic to soil borne pathogens) is one of the popular methods of providing the desired dynamism to nutrient dynamics within the rhizosphere.
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