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How Do Plants Take Up Phosphorus From The Soil? (Solved)

The P content of rocks is commonly between 500 and 1400 µg P/g, depending on the parent rock type. The basalts of igneous rocks, as well as most sedimentary rock species, tend to be at the higher end. Granites and other granites can usually be found at the lower end. Rock phosphates and basic volcanic lavas are found above this level. Typical total P contents in soils range from 150 to 700 µg P/g (Wild 1988). Soils from very old landmasses, such as Australia and Africa, often contain low total P contents (see age relationship in Figure 1.1) 😎 In general, soils contain less P than the lithosphere as a whole 👍 A reduction in the concentration of P occurs as rocks weather, probably because apatite dissolves and the P is lost, before the formation of Al and Fe oxide minerals which would adsorb the P. [1]
Phosphorus constitutes about 0.2 percent of a plant’s dry weight, where it is primarily a component of tissue molecules such as nucleic acids, phospholipids, and adenosine triphosphate (ATP). The second-most limiting nutrient is phosphorus, after nitrogen (N). Phosphorus can affect plant growth and development as well as limit the yield of crops. Excessive phosphorus can cause damage to plants. soil can be detrimental to the environment because it can enter freshwater bodies through surface runoff and can cause algal bloom reducing water quality. Improved phosphorus management is possible to create crop production systems that are profitable while also reducing the negative effects on the environment. This paper aims at understanding phosphorus transformations and cycles in soil. Because phosphorus doesn’t have a nitrogen cycle, the phosphate cycle is different. exist in a gaseous form. This article provides basic information regarding the forms and processes of phosphorus that are present in soils. [2]
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A deficiency in any one of these nutrients can lead to a decrease in plant maturity and growth. There are three major nutrients (or macronutrients), which include nitrogen, potassium, and P. Secondary nutrients include calcium and magnesium as well as sulfur and manganese. The micronutrients consist of boron. Water and air are the sources of carbon, hydrogen and oxygen. Plants contain phosphorus. animal cells All plants need to harvest the sun’s energy in order to grow and reproduce. The essential component of sugar phosphates in plants is P. This is also involved in respiration, energy transfer via adenosinetriphosphate(ATP) and is a part deoxyribonucleic and membrane phospholipids. A lack of adequate P can cause plant decline, retarded maturity, and lower yields. Kimia Scheehan (Shanghai, China), last updated this 2 days ago [3]
A phosphate deficiency can be more difficult than an underlying deficiency in potassium or nitrogen. A phosphorous deficiency in crops is usually not apparent except for general stunting during the early stages of growth. It may not be possible to fix annual crop defects if a visible deficiency has been identified. Certain crops like corn can show abnormal discoloration if phosphorus levels are low. The colour of the plants is usually dark blue-green with the leaves turning purple and the stem becoming more bluish. Variations in the genetic makeup of plants can affect the intensity of the purple. Some hybrids have more pigmentation than others. Purplish is caused by the accumulation of sugars, which favors the production of anthocyanin (a purple-colored pigment). [4]

Refer to the Article

  1. https://grdc.com.au/resources-and-publications/grdc-update-papers/tab-content/grdc-update-papers/2009/02/the-science-of-phosphorus-nutrition-forms-in-the-soil-plant-uptake-and-plant-response
  2. https://www.aces.edu/blog/topics/crop-production/understanding-phosphorus-forms-and-their-cycling-in-the-soil/
  3. https://crops.extension.iastate.edu/encyclopedia/phosphorus-basics
  4. https://www.cropnutrition.com/nutrient-management/phosphorus
Mae Chow

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