Newcastle disease/Ranikhet disease (RD) is a highly contagious and most lethal viral disease of poultry. Which Institute had discovered the vaccine for Ranikhet disease?
ICAR-IVRI, Izatnagar produced R2B strain vaccine since 1940 and F strain vaccine since 1953. The immunity produced by RD F vaccine lasts for about 15 weeks. Chicks should be revaccinated with the RD R2B vaccine between 8-10 weeks after primary vaccination.
The ESP of saline soils is _____%
The study of soil from the stand point of higher plants is known as……………………….
Match the following:
1. Soil moisture tension ...
Soil health card with the tagline “Swasth Dharaa, Khet Haraa” was launched on ____.
The deficiency symptom for Fe in plants is
Soil texture is determined most commonly by which method?
with the help of ICT, a system to identify, analyse and manage site soil spatial and temporal variability within field for optimum profitability sustai...
The critical nutrient range in the context of soil fertility is explained by?
The acidic soils can be reclaimed by the application of ____
It is the tendency of some crops to absorb and accumulate nutrients far in excess of their actual needs if it is present in sufficiently large quantitie...
