In different regions of the world, legacy soil P accumulated from 1965 to 2007 ranged from 160 kg P ha-1 in Africa to 1115 kg P ha-1 in western Europe; world average was 550 kg P ha-1 (Sattari et al., 2012).
It is very easy-just to apply an efficient P-solubilizing biofertilizer.
Very interesting question sir .
Influence of legacy phosphorus, land use, and ... - SpringerLink
link.springer.com/article/10.1007/s10533-014-0055-2
Influence of legacy phosphorus, land use, and climate change on anthropogenic phosphorus inputs and riverine export dynamics
Plant breeding and genetic modification could be employed to improve P-use efficiency , whilst changes in farm management and more precise farming practices, along with inclusion of manure legume crops, could be used to enhance utilisation of sparingly available inorganic P and organic P in soil . Greater understanding of plant–soil microbiome interactions and soil fertility management (i.e. critical requirement of different systems) may also provide new opportunities for improvement . addition of phytase enzymes to grain-based animal feed is one example where a small adjustment to management has had a dramatic effect on increased organic P utilisation and reducing P in waste . In terms of our degraded aquatic ecosystems, P management for the improvement of water quality should be considered alongside resource recovery from legacy P stores. Recent developments in our understanding of microbial processing of ‘refractory’ P compounds ) and in our ability to short-circuit organic P pathways using geo-engineering represent two potential measures for achieving more flexible water resource management in this respect...based on PDF enclosed below...
Through the use of P solubilizing microorganisms ,and genetically modified cultivars this can used as a solution for legacy -P and as a substitute for P fertilizers.
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