Rainy season and farming in Micronesia – Marianas Variety

EVERY Saturday, a group of local women get together to talk about farming. They all agree that August is a great time to plant since there is rain which is good for the soil.

In the U.S., a new study indicates that an intensifying water cycle will likely cause dramatic increases — at about 20 percent by 2100 — in the amount of nitrogen runoff in the states. Excessive nitrogen that mixes with rivers and estuaries can profoundly affect water, experts said, adding that it can spur algal blooms which have negative impacts on human health, aquatic ecosystems and the economy.

Experts said any changes in precipitation patterns, induced by climate change, could strongly influence the degree of future nitrogen runoff.

The U.S. Environmental Protection Agency recommends reducing nitrogen input in the river basin by 20 percent to mitigate the negative effects of nitrogen that flows into open ocean such as the Gulf of Mexico.

In Micronesia, soil treatments are needed to prevent nutrients from being washed away during the rainy season.

According to the International Soil and Water Conservation Research, soils suffer severe erosion as a result of rapid overland flow, wind and intensive rain events.

To control accelerated soil erosion, experts recommend conservation tillage, crop rotation with leguminous plants, and residue management for soil surface cover.

Local farmers believe that traditional techniques such as compost/dung fertilizer, natural weeds and biological pest control are also effective in ensuring the health and resilience of the soil in many parts of the islands, and in maintaining the integrity of the environment.

Source: Google News :

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