Question

If grain and straw yields are 4 and 6 t/ha, respectively, the harvest index will be

A 33 % Correct Answer Incorrect Answer
B 40 % Correct Answer Incorrect Answer
C 60 % Correct Answer Incorrect Answer
D 67 % Correct Answer Incorrect Answer

Solution

Harvest index = economic yield / biological yield => HI = 4/(10 )  × 100 = 40% 

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