Later when selections can no longer be made on the basis of simple observation alone , extensive trials are undertaken involving careful measurements to establish real superiority of varieties selected .
जब कवल नरकषण दवर चयन करन असभव दखई दत ह त सवधनपरवक मप कर तथ वयपक परकषण क पशचत चयनत कसम क उतकषटत क पत लग जत ह .
<bos><start_of_turn>user
Later when selections can no longer be made on the basis of simple observation alone , extensive trials are undertaken involving careful measurements to establish real superiority of varieties selected .<end_of_turn>
<start_of_turn>model
जब कवल नरकषण दवर चयन करन असभव दखई दत ह त सवधनपरवक मप कर तथ वयपक परकषण क पशचत चयनत कसम क उतकषटत क पत लग जत ह .<end_of_turn>
