average number of children a population of women have in their lifetimes.
A fertility study is research that aims to understand factors affecting human fertility, such as age, lifestyle, and environmental influences. These studies can investigate the causes of infertility and guide the development of treatments to improve fertility outcomes.
Fertility age refers to the period in a person's life when they are most biologically capable of reproducing. In women, this typically ranges from puberty to menopause, with the highest fertility occurring in the late teens to late 20s. Men generally have a longer fertility window, but it can decline with age as well.
Soil can lose its fertility due to factors such as erosion, overuse of synthetic fertilizers, pollution from chemicals or heavy metals, and loss of essential nutrients through leaching or runoff. Improper management practices, such as monocropping or excessive tillage, can also contribute to soil degradation and reduced fertility over time.
Cyclones can both positively and negatively affect soil fertility. On one hand, cyclones can bring heavy rainfall that washes away nutrients and topsoil, leading to soil erosion and reduced fertility. On the other hand, cyclones can also deposit organic matter and nutrients from plant debris, improving soil fertility in the long term. Overall, the impact of cyclones on soil fertility will depend on the severity of the storm and the specific conditions of the affected area.
The fertility of soil is determined by the presence of essential nutrients like nitrogen, phosphorus, and potassium, as well as other macronutrients and micronutrients. Organic matter, soil structure, pH level, and microbial activity also play key roles in soil fertility by supporting plant growth and crop productivity. Regular soil testing and proper management practices are essential for maintaining and improving soil fertility over time.
The latest available statistics, as of 2014, show that France has a fertility rate of 2.01. This is the highest fertility rate in the EU. In the United States, the fertility rate is 1.88.
The fertility rate in Benin is 5.49 births per woman.
The fertility rate as of 2010 is 6.12 in Ethiopia :D
The most recent figures for Austalia's fertility rate are for 2011. In that year, Australia's total fertility rate was 1.88 babies per woman, which was a slight reduction from the 2010 fertility rate of 1.89 babies per woman.
The German fertility rate for 2009 is 1.36 births per women.
lowering the fertility rate should not be the goal. increasing the fertility rates of all nations is what is needed.
Singapore, fertility rate was about 1.3 in 2008, one of the lowest in the world.
The main difference between the total fertility rate and the rate of natural increase is that the total fertility rate measures the average number of children a woman is expected to have in her lifetime, while the rate of natural increase calculates the difference between the birth rate and the death rate in a population.
birth rate & death rate,fertility rate.
the country with the highest total fertility rate is Nigeria, Africa.
3.1
4.6