Question

what is water potential, solute potential and pressure potential ​

Answer 1

• Water potential is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency of water to move from one area to another due to osmosis, gravity, mechanical pressure and matrix effects such as capillary action (which is caused by surface tension). The concept of water potential has proved useful in understanding and computing water movement within plants, animals, and soil. Water potential is typically expressed in potential energy per unit volume and very often is represented by the Greek letter ψ.

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Answer 2

स्थायी बंदोबस्त अथवा इस्तमरारी बंदोबस्त ईस्ट इण्डिया कंपनी और बंगाल के जमींदारों के बीच कर वसूलने से सम्बंधित एक स्थाई व्यवस्था हेतु सहमति समझौता था जिसे बंगाल में लार्ड कार्नवालिस द्वारा 22 मार्च, 1793 को लागू किया गया। ... १)जमींदार या कृषक में से किसके साथ व्यवस्था की जाए।