Question
In case of degraded alkali soil, if the extensive
leaching of saline-sodic soil occurs in absence of any source of calcium and magnesium, part of exchangeable Na is frequently replaced by __ ?Solution
If extensive leaching of a saline-sodic soil occurs in the absence of any source of calcium or magnesium, part of the exchangeable sodium is gradually replaced by hydrogen. Such soil may be slightly acidic in nature, yet it may contain enough sodium to give it an unstable structure. Such a soil is designated as a degraded sodic soil, earlier known as degraded alkali soil.
In which type of epithelial tissue the absorption and secretion occur, as in the inner lining of the intestine?
Mid season pear cultivars for high hills of Himachal Pradesh are
A. Bartlett
B. Starkrimson
C. Flemish Beauty
D. Conference<...
Which of the following soil order is mainly found in grassland ecosystems characterized by a thick, dark surface horizon?
Red delicious is the variety of which fruit?
What is the process that describes the changes in whole communities as different species colonize an area and change its environment?
According to cotton advisory board, what was the provisional cotton production in India in the year 2017-18 (in lakh bales of 170 kg each)?
Recently which state announced that the state will ban the cultivation of the PUSA-44 paddy variety from next year onwards?
Which of the following tree species fixes nitrogen in atmosphere?
When the production of both inter crops is equal to that of its solid planting, it is known as
The sealing in aseptic packaging is known as __________
