What does the fertility of soil depend on?
What does the fertility of soil depend on?
A soil’s natural fertility depends largely on the parent materials from which the soil has developed and the original vegetation. Nutrients are held in the soil as electrically charged ions that can be positive (cations) or negative (anions).
What makes a soil fertile?
A fertile soil will contain all the major nutrients for basic plant nutrition (e.g., nitrogen, phosphorus, and potassium), as well as other nutrients needed in smaller quantities (e.g., calcium, magnesium, sulfur, iron, zinc, copper, boron, molybdenum, nickel). …
What makes the soil fertile Class 7?
The humus makes the soil fertile and provides nutrients to growing plants.
What is soil fertility and soil productivity?
Soil fertility is a complex quality of soils that is closest to plant nutrient management. Soil productivity is the ability of a soil to support crop production determined by the entire spectrum of its physical, chemical and biological attributes.
What is fertility in agriculture?
Soil fertility is the ability of a soil to sustain plant growth by providing essential plant nutrients and favorable chemical, physical, and biological characteristics as a habitat for plant growth. …
What is fertility According to who?
Key facts. Infertility is a disease of the male or female reproductive system defined by the failure to achieve a pregnancy after 12 months or more of regular unprotected sexual intercourse.(1)
How is soil formed Class 9?
Soil is formed by breaking down of rocks at or near the surface of the Earth through various physical, chemical, and biological processes by various factors such as the sun, water, wind, and living organisms.
What do you mean by fertile?
fertile, fecund, fruitful, prolific mean producing or capable of producing offspring or fruit. fertile implies the power to reproduce in kind or to assist in reproduction and growth fertile soil ; applied figuratively, it suggests readiness of invention and development.
Why is soil fertility important?
A fertile soil has the following properties: The ability to supply essential plant nutrients and water in adequate amounts and proportions for plant growth and reproduction; and. The absence of toxic substances which may inhibit plant growth.
What are some ways to improve soil fertility?
A lesser-known way to improve soil fertility is to plant different crops in the same field in order to prevent soil erosion and control the spread of soil-borne plant disease. Doing this with legumes will have the benefit of adding nitrate to the soil. Try to use deep rooted vegetables, which will improve soil fertility naturally.
What are some factors which influence soil fertility?
Some factors are involved in soil fertility. These are as follows: Parent material: Fertility of a soil depends on the chemical composition of parent material from which it derived. Topography: Soils on the upper slope are less fertile than the soils on lower slope because high leaching and erosion on upper slope.
How can we maintain the fertility of the soil?
Methods of Maintaining Soil Fertility Cover cropping: This method involves the planting of crops that provide shield or covering for soil resources against depletion. Green manuring: It involves the use of leguminous crops that are ploughed into the soil to provide nutrients to the soil. Crop rotation: It involves the planting of different crops on the same piece of land in a sequence.
How do you increase soil fertility?
One of the best ways to increase soil fertility is to use organic fertilizers like Nagri-HL. The results of testing showed that Nagri increases the yield of different crops from 10% to 30%, depending on the geographical area of cultivation and weather conditions.