Question
As new gold hallmarking mandatory guidelines, which
carat gold requires a hallmark of 916?Solution
24-carat gold will have a hallmark "999," meaning it contains 99.9% pure gold. Similarly, 22-carat gold will have a hallmark "916," indicating it consists of 91.6% pure gold and 8.4% other alloys.
Vermiculite is a type of clay mineral
The site specific crop management approach that applies agro-chemicals to the field in an economical and environment friendly manner is known as ____.
Pyricularin produced by Pyricularia oryzae causes:
Critical level for hot water extractable B (ppm) in soil is
Harvest index of 19% (lowest among pulses) is observed in which crop?Â
_______ comprises important mechanisms of herbicide detoxification in soil under field conditions especially surface incorporation subsequent to rainfa...
Khaira disease of rice is due to
Which two new soil orders have been added in US Soil Taxonomy after 1975 ?
Sunflower oil is recommended for heart patients since it contains high percentage of which unsaturated fatty acids?
In which stage of cotton growth are flowering and boll formation considered critical for irrigation?
