CBSE Class 9 Answered
(a) List the different ways in which biotic and abiotic factors affect stored food grains.
(b) What preventive and controlling measures need to be taken before and after storing the grains?
Asked by Topperlearning User | 27 Apr, 2016, 06:50: AM
Expert Answer
(a) (i)Degradation in quality.
(ii)Loss in weight.
(iii) Poor germinability.
(iv) Discolouration.
(b) (i) Keep storage areas clean.
(ii) Clean storage rooms after they are emptied.
(iii) Placing rat-traps and barriers in drying and storage areas.
(iv) Inspect the stored seeds once a week for signs of insect infestation.
Answered by | 27 Apr, 2016, 08:50: AM
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