How emerging technology can help cut post-harvest losses

In this part of the world, food security and drought are two words used interchangeably.

The paradox is that as some part of the country, is ravaged by drought, we always have other parts where foods is in plenty and going to waste due to lack of access to markets.

It is estimated that globally about 30 per cent of the food produced goes to waste through post-harvest losses which occur along the value chain.

The losses are considered as either qualitative where the nut-ritional and quality value is lost or quantitative where the measu-rable quanity value of the food produced is lost.

For instance, over ripe fruits may lose their nutritional and quality value making it impossible to penetrate the value creation process, while some few bags of grains may be affected by aflato-xin rendering them not fit for human consumption.

Due to challanges in the value chain system, these post-harvest losses are said to occur either at the downstream or during prod-uction, transport and harvesting stages or upstream during the storage and consumption stage.

With the continued increase of the population and decrease of arable land, one solution towards enhancement of food security is developing strategies that will minimise post-harvest losses. Also key is building value creation systems accessible even by the small scale farmers. Emer-ging technologies such as Inter-net of Things (IoT), Artificial Inte-lligence (Ai) and Block chain offer various solutions to this global problem.

Block chain technology

Block chain technology which refers to a public distributed led-gera systems that helps in data storage, across are non-irrever-sible if adopted along the value chain process.

The technology will help streng-then traceability of the food pro-duced by farmers through deve-lopment of food quality and qua-ntity record systems that indicate the amount of food harvested, those transported to a given mar-ket or destination, sales and prices that are hard to manipu-late along the value chain.

In addition, the technology will also help improve food safety by improving the system of food traceability right from the original farmer which can avoid huge wastage especially during contamination incidents.

Internet of Things also called Internet of Crops in agriculture refers to the interconnected data point which can be electronics, people or animals that helps in collection of data from every point with mounted sensors in the farm. With the world becomi-ng more connected, so are our farmers which means they can take advantage of this interconn-ection to solve post-harvest losses.

Artificial intelligence

For instance, using a smart pho-ne, a farmer in rural areas is able to gather information about the wheather patterns and help in decision making on when to har-vest their food crops.

In addition, through an SMs rela-yed by the sensors mounted in the storage facilities, the farmer is able to know quickly when there is temperature changes or any other problem in the storage facilities.

While Internet of Thingd helps in the collection of crops oriented data, Artificial intelligence (Al) applications helps in developing patterns that can be used to analyse the data into usable information for the farmers.

AI applications are mostly used in agriculture to predict the envi-ronmental impact to crop yields such as weather changes hence helping farmers to make correct harvestinh decisions.

In addition agri-tech firms are developing predictive systems that can help predict storage con-ditions and suggest preventive action towards rotting of the stored food products. In some instances where labour force is a challenge, robots and machines that can help in harvesting of crops such as tea and strawbe-rries have been developed to minimise post-harvest losses.

Lastly, developing simple data analytic systems could also help farmers to acquire timely info-rmation about the market dema-nd of their produce and prices available which will help them make smart sales and marketing decisions and also help to increase their income.

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