Methods to improve crop variety and nutrients supplied through soil — task. Science CBSE Homework Assignments, Class 9.

Choose the correct answer:

1. For accepting a new crop variety the criteria is

all of the above
variety should be of good quality
all seeds should be of the same variety
variety should produce high yields under different conditions

2. Production practices are divided into

no cost production
low cost production
high cost production
all of the above

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