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  2. Volcanism of Java - Wikipedia

    en.wikipedia.org/wiki/Volcanism_of_Java

    Indeed, land is created on Java as a result of lava flows, ash deposits, and mud flows (lahars). Volcanoes are a major contributor to the immense fertility of Java, as natural erosion transports volcanic material as alluvium to the island's plains, forming thick layers of fertile sediment. The benefit is not just in the immediate vicinity of ...

  3. Java - Wikipedia

    en.wikipedia.org/wiki/Java

    Java [a] is one of the islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 153.8 million people, Java is the world's most populous island, home to approximately 54% of the Indonesian population. [2] Indonesia's capital city, Jakarta, is on Java's northwestern coast.

  4. Paddy field - Wikipedia

    en.wikipedia.org/wiki/Paddy_field

    Paddy fields so large as for "storks to fly with their wings out-stretched" ("đồng lúa thẳng cánh cò bay") can be heard as a common metaphor. Wind-blown undulating rice plants across a paddy field in literary Vietnamese is termed figuratively "waves of rice plants" (" sóng lúa ").

  5. List of countries by total fertility rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_total...

    The first lists show the most recent year where there is published total fertility rate (TFR) data ranked by sovereign states and dependencies, and are ordered by organization type – intergovernmental, governmental, or non-governmental organization that searched, organized, and published the data.

  6. Age and female fertility - Wikipedia

    en.wikipedia.org/wiki/Age_and_female_fertility

    The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]

  7. When are you most fertile? How to find your monthly fertility ...

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  8. How the Central Valley became a fertile land for Southerners ...

    www.aol.com/central-valley-became-fertile-land...

    When the great wave of Mexican immigration poured over into El Norte during the Mexican Revolution, war-torn refugees fleeing a decade of violence did not encounter a monolithic American culture.

  9. Natural fertility - Wikipedia

    en.wikipedia.org/wiki/Natural_fertility

    Natural fertility is a concept developed by the French historical demographer Louis Henry to refer to the level of fertility that would prevail in a population that makes no conscious effort to limit, regulate, or control fertility, so that fertility depends only on physiological factors affecting fecundity.