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Start learning 50% faster. Sign in nowDrum culture technique is used to determine water requirement of lowland rice. In this method, four drum of size 50×50×50 cm are taken i.e. A, B, C and D. A and B have bottom while C and D are without bottom. All the drums are embedded in soil leaving 20 cm above soil surface. Rice is transplanted in drum A, C & D. and rice seedlings without roots are planted in drum B and the data on percolation, evaporation, ET, transpiration and effective rainfall is obtained.
The pest density at which control measures should be applied to prevent an increasing pest population is _____
An 'artificial seed' consists of gel enclosing one of the following components. Which one?
Which of the following state developed the embryo transfer technology?
The line spectra of two elements are not identical because-
Which acid is the manufacture of synthetic rubber?
In which year the National Food Security Act was passed?
What is another term used to describe saline soil?
Urease is an important enzyme involved in nitrogen metabolism in plants, helping to convert urea into usable nitrogen compounds. Which nutrient is essen...
The characteristic symptom of red rot is:
Eri silkworm commonly feed on
