Source of Plant Nutrients
N, P and K are the three major plant nutrients. The primary source of the different elements are different for many plant nutrients. The plant nutrients are studied under rocks and its weathering.
In this post we will know about the primary source of the different plant nutrients.
Also read: Agronomy McQ and answer
| Contents |
|---|
| (1). Major and secondary plant nutrients |
| (2). Source of plant nutrients |
| (3). Frequently Asked Questions |
(1). Major and secondary plant nutrients
1.1 Major or primary plant nutrients
- Nitrogen.
- Phosphorus.
- Potash.
1.2 Sceonadry plant nutrients
- Calcium.
- Magnesium.
- Sulfur.
1.3 Micronutrients
- Molybdenum
- Boron.
- Iron.
- Titanium oxide.
- Copper.
- Chloride.
- Zinc.
- Manganese.
(2). Primary Source of Plant Nutrients
Also read: Agronomy important one liner
Major elements
| S. | Element | Source | Major Role |
|---|---|---|---|
| a. | N | O. M. or Organic Matter | Essential constituent of protein. |
| b. | P | a. Apatite b. Iron phosphate c. O. M. | Constituent of nucleic acid, phytin, phospholipids and ATP. |
| c. | K | a. Micas b. Feldspar c. Orthoclase d. Microline | It regulates osmo-regulation. |
Secondary elements
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| S. | Element | Source | Major Role |
|---|---|---|---|
| a. | Calcium | Lime | It is the constituent of middle lamella of cell wall. |
| b. | Magnesium | a. Dolomite b. Brucite c. Hornblende d. Muscovite e. biotite f. Olivine g. Serpentine h. Talc I. Vermiculite J. Glauconite | It is the constituent of chlorophyll. |
| c. | Sulfur | a. Natural gas b. Petroleum | It is the constituent of amino acid. |
Micro elements
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| S. | Element | Source | Major Role |
|---|---|---|---|
| a. | Boron | Tourmaline | It is essential for translocation of sugar. |
| b. | Mo | Olivine | Several enzymatic reactions depend on it. |
| c. | Cu | a. Olivine b. Biotite c. Augite d. Hornblende e. Chalcopyrite | Activates some enzymes which are responsible for lignin synsthesis. |
| d. | Zn | a. Olivine b. Hornblende c. Sphalerite | Formation of chlorophyll. |
| e. | Ba | Baryte | …. |
| f. | Cl | Apatite | Primary photosynthetic reactions. |
| g. | Mn | Pyrolusite | It has association with iron metabolism. |
| h. | TiO2 | Rutile | Stimulating the activity of certain enzymes. |
(3). Frequently Asked Questions
Question 01. What are the examples of primary plant nutrients?
Answer: The examples of primary plant nutrients are as follows –
- Quartz.
- Olivine.
- Muscovite.
- Anothrite.
- Orthoclase.
- Augite.
- Biotite.
- Hornblende.
- Microcline.
- Albite.
- Plagioclase.
Question 02. What are the examples of secondary minerals?
Answer: The examples of sceonadry plant nutrients are as follows –
- Haematite.
- Gibsite.
- Geothite.
- Gypsum.
- Calcite.
- Clay minerals.
- Dolomite.
Classification
Minerals which are most resistant to weathering:
- Quartz (it is most resistant).
- Muscovite.
Moderate resistant minerals:
- Feldspar.
- Biotite.
Least resistant minerals:
- Augite.
- Olivine.
- Hornblende.
- Calcite.
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