Soil fertility and productivity ppt. Soil Fertility and Productivity difference 2022-10-26
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Soil fertility and productivity are critical components of sustainable agriculture and food production. Fertile soil is rich in nutrients and able to support healthy plant growth, while soil productivity refers to the ability of the soil to produce crops or other plants. In this essay, we will explore the factors that contribute to soil fertility and productivity, as well as strategies for maintaining and improving these important characteristics.
One of the key factors that determines soil fertility is the presence of essential nutrients. These nutrients, which include nitrogen, phosphorus, and potassium (NPK), are essential for plant growth and development. Soils that are low in these nutrients may be less productive, as plants may struggle to access the nutrients they need to thrive.
In addition to NPK, soil fertility is also influenced by the presence of other micronutrients, such as zinc, iron, and boron. These micronutrients are needed in smaller quantities than NPK, but they are still essential for plant growth.
Soil pH is another important factor that affects soil fertility and productivity. Soil pH is a measure of the acidity or alkalinity of the soil, and different plants have different pH requirements. For example, some plants, such as blueberries and potatoes, prefer more acidic soil, while others, such as alfalfa and corn, prefer more alkaline soil.
Soil structure is another factor that can impact soil fertility and productivity. Soil structure refers to the arrangement of soil particles and the pores between them. Soil with good structure has a mix of large and small pores, which allows for good drainage and aeration. This is important because plants need air and water in order to grow, and soil with poor structure may be less able to support healthy plant growth.
There are several strategies that farmers and gardeners can use to maintain and improve soil fertility and productivity. One strategy is to use organic fertilizers, such as compost or animal manure, to add nutrients to the soil. These fertilizers are often more sustainable than synthetic fertilizers, as they can help to build soil structure and improve soil health over time.
Another strategy is to practice crop rotation, which involves growing different types of crops in a specific order in the same field or garden. Crop rotation helps to prevent soil nutrient depletion and can also help to control pests and diseases.
Soil conservation practices, such as reducing tillage and planting cover crops, can also help to improve soil fertility and productivity. Tillage refers to the process of turning over the soil, and it can be damaging to soil structure and health. By reducing tillage, farmers can help to preserve soil structure and reduce erosion. Cover crops, which are plants that are grown between main crops, can help to improve soil fertility by adding organic matter to the soil and preventing erosion.
In conclusion, soil fertility and productivity are critical factors in sustainable agriculture and food production. By understanding the factors that influence soil fertility and productivity and implementing strategies to maintain and improve these characteristics, farmers and gardeners can help to ensure the long-term health and productivity of their soil.
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It supplies essential nutrients, water, oxygen, and root support, all of which help plants grow and develop. Seven elements iron, manganese, boron, molybdenum, copper, zinc and chlorine are required in trace amount and hence called micro-nutrients. Meaning- Difference Between Soil Fertility And Soil Productivity To know the difference between soil fertility and soil productivity, it is important first to understand the basic essence of soil fertility and productivity. On the other hand, even a slight deficiency or excess is harmful to plants. This is not a soil property alone but function of several factors like management practices, irrigation, drainage, plant protection measures, climate etc.
Productivity is a broader term that includes fertility as one of the important factors which contribute towards crop yield. Plants need 16 elements for their growth and completion of life cycle. In contrast, Soil productivity differs according to the variations in climate and location. Besides this, The A. Soil Fertility Thus, it is critical to examine soil fertility, the soil itself, and what is there within the soil.
The leguminous plants, however, compensate the loss of nitrogenous compounds. Here comes the importance of soil fertility and productivity. The initial soil was silty loam having pH 4. Soil productivity refers to the ability of a soil to produce crops. A soil may be fertile but may not be productive. PowerPoint is the world's most popular presentation software which can let you create professional Soil Fertility and Fertilizers powerpoint presentation easily and in no time.
(PDF) ASSESMENT OF SOIL FERTILITY AND PRODUCTIVITY: A MICRO LEVEL STUDY
Or The soil is said to be fertile when it contains all the required nutrients in the right proportion for luxuriant plant growth. The post harvest soils were analyzed for pH, OM, available P, Ca, Mg and K. If the rate of removal or loss of minerals is greater than the rate of addition, the The minerals are often removed from the top layer by rainwater. Application of Plants absorb The soil is subjected to a continuous depletion of nutrients due to its continuous use by crops. Macro Major nutrients primary-N, P, K, and secondary-Ca, Mg, S are required in large quantities while Micro nutrients Trace elements-Fe, Zn, Cu, B, Mo, Cl, and Mn are required in small quantities.
Difference Between Soil Fertility And Soil Productivity
It can be improved, maintained or corrected by soil management practices. And, of course, these features result in a result which is the level of productivity. Yet, there is a difference between soil fertility and soil productivity. Liming significantly increased at 30 DAL pH, OM but K, P, Ca, Mg decreased from 60 DAL up to 120 DAL. Available K, P, Ca and Mg were significantly increased due to application of lime which was mainly associated with increased wheat yields. The design of the experiment was Randomized Complete Block Design RCBD with three replications.
Why are fertilizers important? The application of different rates of lime to soil progressively increased pH, OM and availability of P and gradually decreased K, Ca and Mg in soils at 30 DAL. Soil moisture greatly affects the availability of mineral nutrients in the soil. Whereas it, depends upon location, fertility, physical conditions etc. Furthermore, It is more concerned with the end product that the soil produces, e. Difference between soil fertility and soil productivity Whenever the discussion of soil fertility and productivity comes , the statement is important. Water is also one of the main factors that influence most of the metabolic process such as photosynthesis, respiration, adsorption, opening and closing of stomata and translocation of food material.
Plants need water in huge amount throughout their life. This food is composed of certain chemical elements often referred to as plant nutrients or plant food elements. Drainage and moisture control influence micronutrient availability in soils. Fertility and productivity All fertile soils are not productive. As for example, saline soil may have all the essential elements for plant growth but cannot be fertile because of excess Na-salts, which disturb the balance with other nutrient ions like Ca2+ Mg2+, K+ etc. Or It is better to cultivate small piece of fertile land than large nutrient needs of the crop.
You can understand the fundamentals of agriculture by reading this site, which will improve your academic performance. As a result of cropping, a large amount of organic matter and 2. Moreover, degradation is in terms of nutrients, pH, drainage, aeration, etc. So, It may be unproductive too. For sustainable agricultural production, water is one of the most precious important inputs.
Generally, water is lost through leaching, drainage, evapotranspiration and runoff. Stabilization of Soil pH for Soil fertility The stabilization of pH through application of soil amendments and buffering seems to be an effective guard against the problems of non-availability of certain plant nutrients and radical changes in microbial activities arising due to change in soil pH. Usually a fertile soil will also have some organic matter that improves soil structure, soil moisture retention, and also nutrient retention, and a pH between 6 and 7. Precise definition Potential status of the soil to produce crops. Irrigation Systems in Soil fertility Water is a very important natural resource, which is the basis of all life forms.
Climate variation The fertility of a certain soil is the same in all climates. It is measured in terms of available forms of essential nutrient elements in the soil at any given time. Improving the damage of acid soils encourages the formation of less toxic oxidized forms of iron and manganese. Definition - a material added to the garden that supplies essential nutrients plants need for vegetative and reproductive growth. Prevention and Elimination of Inorganic Chemical Contamination of Soil: Loss of soil fertility due to application of toxic chemicals as pesticides can be eliminated if: i Application of toxic chemicals to soil is reduced and ii The soil and crop are so managed as to prevent cycling of toxic chemicals. Also Read- Photo by Conclusion Typically fertile soil has properties like providing vital plant nutrients and moisture to crops.