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1) Saline soils - Salt concentration is more and EC of the soil is > 4 dS/m, Exchangeable sodium percentage is < 15, pH is below 8.5 2) Non saline- alkali soil: (sodic soil)- Low soluble salts, EC < 4 dS/m, Exchangeable Na percentage is > 15, pH is > 8.5 3) Saline alkali soils - High concentration of soluble salts with ESP is greater than 15, EC> 4 dS/m, pH is < 8.5
Most plants obtain their nitrogen from the soil in the forms of:
Which tropical tree species is rich in vitamin C with multiple medicinal property and extensively used in Ayurveda
...A system in which fast growing fodder, shrubs and trees are planted for purpose of mulch green manure soil conservation is
First Milk produced by cow immediately after giving birth to calf which is nutritious and rich in antibody
