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The central valley of California formed a large prehistoric lake. The soil left once the lake drained through the channel that is now the straights of Martinez, was a collection of top soil deposits from the Sierra Nevada and coastal ranges. This soil was rich in organic matter and of excellent quality to support crops. Once irrigation was established agriculture boomed in the Ca. central valley.
Wiki User
∙ 11y ago
Linda Lee Foltin
Wiki User
∙ 11y agothey got the rich soil from san jooquin
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Where does the central valley region rich soil come from?
The ocean used to be there.
Where did the fertile soil from the sierra Nevada wash to?
The fertile soil from the Sierra Nevada mountains is washed down to the Central Valley of California by the rivers flowing from the mountains, such as the Sacramento and San Joaquin rivers. This deposition of soil has contributed to the agricultural productivity of the Central Valley.
What region is rich in alluvial soil?
red river valley
Why is rich soil valuable?
Rich soil is good because it has nutrients. If the plant gets nutrients the plant will grow.
Where is a river valley where rich soil is found called?
warrior river
Where did the soil in the Indus River valley receive its rich silt from?
The soil in the Indus River valley receives its rich silt from the annual flooding of the river. The Indus River carries sediment and nutrients downstream, depositing them on the surrounding land during floods. This process replenishes the soil and makes it fertile for agriculture.
Why was the Delaware valley called the poor mans valley?
rich soil and mild climate made good conditions for farming
What makes central valley region important to California?
the fertile soil and the farmland:)
What natural resources do the Sacramento and San Joaquin Valley's have?
Plenty of water and rich soil
What percentage of the land area in California is used for farming?
In California, farming is mostly in the central valley. There is moist soil and great watering systems.
Most Americans who migrated to the Oregon Territory were attracted by the?
rich soil of the Willamette River Valley.
In what ways the indus river help the farmers of its river valley?
Well....river valley has rich soil and so they use that soil to farm or it's because the farmers have no life so the river valley gave them water to drink and grow crops that they don't need
