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Can organic substrates from insect bioconversion systems provide sustainable crop nutrition and protection? (IAF2002)

Project Description

The concept of using insects to reduce organic waste and to derive high value products from the insects has been researched for the past few decades and has recently been taken up by a number of companies globally for the production of protein for inclusion in animal feed. The insect species that has been the focus of this research is the black soldier fly, Hermetia illucens. This species can develop on a wide range of organic substrates ranging from vegetable waste to animal manures. In addition to the products derived from the insects (protein, fats and chitin) the residual rearing material remaining after the insects have completed development can be used as an organic fertiliser and it is possible that this will act as a biofertiliser due to the presence of a diverse range of microorganisms. Limited studies have also shown that leachate produced in the insect bioconversion process can have an effect on plant diseases. The purpose of this project is to examine the chemical and physical properties and microbial communities in the residue remaining after insect bioconversion to ascertain the function and the potential role as biofertilisers or growth media in different horticultural/agricultural scenarios.

The research aims of the project are:
1. Production and characterisation (chemical, physical and biological) of the rearing substrate ddddddresidues from a range of organic materials.
2. Glasshouse and field trials to determine effect on plant growth
3. Glasshouse and field trials to determine potential effects on a range on plant diseases
4. Glasshouse and field trials to determine soil improvement qualities
5. Assessment of agri-food sectors which most benefit from use

A representative field crop (potato) and a glasshouse crop (tomato) will be used in the trials. These crops are prone to soil borne diseases (e.g. Rhizoctonia solani and Verticillium albo-atrum in potato; Verticillium dahliae and Fusarium oxysporum in tomato), which will be studied in the trials.

Location : Fera Science Ltd

How to apply:
All applications musty be submitted to Newcastle University.
Please visit the IAFRI website for further guidance:
To apply directly please visit: (ensuring that you note the studentship code. e.g. IAF2001)

Funding Notes

Interest in plant biology and soil health.

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