The most accurate way to calculate yield you must calculate how many grains are in a head per square meter.

The basic resources crops need is moisture in the dirt, sunlight, water and the right environment.

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Modern day technologies have raised crop yields because of breeding plants to meet human needs and be more resistance to disease.

The world is vulnerable to food shortage because of the massive impact humans did to climate change, the massive change in climate will affect our soil, water and plants, and due to the change our soil won’t be suitable to grow food and out plants won’t be suitable to live in the biomes they are currently in. climate change happed mostly because of fire farming. Fire farming is a method used mostly in the 19s and 3rd world countries, fire farming is when a cut down tree or hey is spread across soil then burnt doing this it will give the soil nutrients. The reason fire farming affects the climate is because of cutting down trees. Trees take in odours and pollutant gases and release breathable oxygen so the removal and burning of trees is making the atmosphere have more odours and pollutant gases causing an increase of temperature. Fire farming is used in 3rd world countries because they cannot afford fertiliser making them dependent of trees.

In study 4.3 the grained crop to have had a massive increase of yield between 1966-2009 is corn with an increase of 1.3%
the grain yield for corn in 1980 is 3.2 tonnes per hectare
the grain yield for rice in 1980 is 2.8 tonnes per hectare
the grain yield for wheat in 1980 is 1.9 tonnes per hectare

Crops need air and soil to grow and prosper

Technology has let us grow and create crop quicker by cloning and breeding crops together. Examples of these new technologies are new breeding technology, expansion of land under irrigation, uses of agrochemical and robotics.

Human pressure that affected the land where we grow crops are degradation, erosion and contamination of the soil and water by agrochemicals.

Technologies have increased the chance of yield efficiency and copping intensity over the last 50 years.
The progress has been done though farmers knowledge, expansion of land under irrigation, massive spread of agrochemicals and breeding technologies.

The growing concern about future food production is climate change, acid rain, drought and fire farming.
There are multiple innovations trying to help future food production and one of them is feed the future and the have shown that progress on ending hunger is possible. By bringing partners together to invest money in agriculture, resilience and nutrition, they have already helped millions of families around the world lift themselves out of hunger and poverty.

The best solution for the future is giving resources to the poor that they need to grow crops so we can stop fire farming which will result us decreasing climate change.