Nutrient elements of plants, Biology

Assignment Help:

Nutrient Elements of Plants

Let us first find out the chemical composition of plants and see which element nature has selected to support their healthy growth. Only then we will be able to know the nutritional requirement of plants. As you know a major part of plant tissue is comprised of water. This we can demonstrate by taking a known amount of plant tissue and drying it for a few hours in an oven at a temperature of 65-80°C. If we condense and analyse the vapours coming out from the plant tissue we will find that it is nothing but water. In fact, about 85-90 per cent of the tissue is composed of water. The part of the tissue which is left behind is called the dry matter and typically it is about 10-15 per cent of the original weight.

The dry matter consists mainly of organic compounds. About 90% of the dry matter consists of plant cell walls, primarily cellulose and related carbohydrates. This can be eliminated in the form of gases on combustion at 600°C. The residue now left is the ash which varies in different plant tissue from about 1 per cent to 0.15 per cent of the dry weight. Interestingly, a careful analysis of the ash shows that it contains almost all of the chemical elements present in the soil surrounding the plant.


Related Discussions:- Nutrient elements of plants

INVERTEBRATES - STRUCTURE & FUNCTION, 1. Write general characters of phylum...

1. Write general characters of phylum mollusca and classify it upto classes, giving at least two examples of each class.

What is the main biological process, Q. What is the main biological process...

Q. What is the main biological process that consumes carbon dioxide? The major biological process that consumes carbon dioxide is photosynthesis.

What are peristaltic movements, What are peristaltic movements? What is the...

What are peristaltic movements? What is their role in human digestion? Peristalsis is the process of synchronized contractions of the muscular wall of the digestive tube. Peris

Define non-dietary treatment of burns, Define Non-Dietary Treatment of Burn...

Define Non-Dietary Treatment of Burns? While good nutritional care should be provided to the patient as soon as feasible it is equally imperative and at times critical to provi

What are fossil fuels, Q. What are fossil fuels? The Fossil fuels like ...

Q. What are fossil fuels? The Fossil fuels like coal, oil and gas, form when organic material is preserved from the complete action of decomposers, generally buried deep and un

Enumerate the failures in adaptation, Enumerate the Failures in adaptation ...

Enumerate the Failures in adaptation Failures in adaptation, such as poor school performance or unsatisfactory peer relationships are usually problems that bring children to th

Chemical elements required for of living biological matter, Q. Which chemic...

Q. Which chemical elements are involved to form most of living biological matter? The chemical elements that form most of the molecules of living beings are carbon (C), oxygen

Kingdom animalia, in what order did the shellfish belong? in what genus did...

in what order did the shellfish belong? in what genus did the shellfish belong? in what species did the shellfish belong?

Palliative care, Despite the technologic advances of recent years, many pat...

Despite the technologic advances of recent years, many patients with chronic heart failure are elderly and have multiple comorbidities. Many of them will not experience meaningful

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd