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can u help me??
hey people i need help jaja
jaja?? well say we are hope we can ans i m just writing in which i m confused till den u can ask
water logged soil physiologically dry desert soil physically dry here i dont get what is the diff. between physiologically and physically??
in such cases, the word "physiological" refers to plant's (or any organism's) ability to get benefit from something to continue its life. i mean, it's about vital activities. so, except a few plants, most of them are intolerant to physiological drought. there is sufficient water but the plant can not use it. it can happen in various ways but in waterlogged soils, plant roots generally can't take enough air to maintain its vital activities because they are underwater completely. they need drainage also. shortly, the main parameter in using the word "physiological" is there is a living organism present. the physical drought is only about the soil structure. in the simplest term, it occurs in soils which don't get enough waterfall and consequently don't have sufficient water. the most known example of an adaptation against drought is present in crassulaceae family. they have a thick cuticula and they are succulent plants. these prevent water loss and help them to continue their life cycle in soils which are physically dry. i hope this helps.
i dont get the diff. i mean dey both are having same definition isntd??
no, physiological drought is not a drought in fact. it's called physiological drought because plant can't use the water. it points the physiological disability of plant, not the structure of soil. this is why it's named "physiological" instead of "physical".
ok got it thanx...