Blue green algae is used for
Blue green algae like Nostoc and anaebaena is used in nitrogen fixation
In soil, net Immobilization of Carbon & Phosphorus occurs when ratio is:
Microbe involved in biological oxidation of ammonium ion to nitrite ion is
Toxicity of which element leads to the unavailability of iron and zinc
Where is NRSC ( national remote sensing centre) located?
Which organic component, constituting approximately 10-30% in plant tissues, is often categorized as "very slowly decomposed"?
The absolute density of soil is also referred to as ……………….which is generally 2.60-2.75 gm/cm3
The soil having pH value of < 8.5 with EC (electrical conductivity) is > 4.0 millimhos/cm and ESP < 15% is ____
The root nodule of legumes contain a pink pigment which has affinity for oxygen is
The water that is held mostly by soil colloids and it is mostly non-liquid or moves in vapour form, the soil water is termed as
Which of the following is a complex fertilizer?
