Nitrogen gas in air, Nitrogen in animals, Nitrogen in plants, Nitrogen in dead bodies and wastes (e.g., faeces), Nitrates in soil, Nitrites in soil, Ammonium compounds in soil, Dentrification, Absorption by roots, Nitrogen fixation , Decomposition .

Ilg'orlar ro'yxati

Vizual uslub

Moslamalar

Namunani almashtirish

Tahrirlashni davom ettirish: ?