System of Rice Intensification (SRI)

A different method of planting less rice seedlings with bigger space intervals between the seedlings.

What?

Done by first nurturing the seedlings then moving them one by one into fields, when they are much younger than the usual 3-week seedlings.

Does not require fertilizer, only compost from decomposed vegetation.

Requires keeping the soil much drier.

Allows for aeration of their roots.

Requires less water, less expenditure, less seedlings required.

 

Requires less chemicals, 4x more yield in most cases, and can be used on other crops such as wheat, potatoes, sugar cane, yams, tomatoes, etc.

Courtesy - World Bank

How?

Plants exposed to more sunlight, as opposed to when they are planted close together.

The fields are not water-logged, so the plants do not suffocate.

There is more space between the crops therefore the roots have room to grow and breathe.

Use of organic compost mobilizes the soil organisms around the plants.

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Further Reading

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