If maize seeds are sown at a spacing of 60 cm by 90 cm, what is the plant population of maize expected on one hectare of farmland?
18,519 plants
16,667 plants
11,111 plants
5,400 plants
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a hectre of land is 100X100 = 10,000
spacing = 60X90 = 0.54
population = Area/Spacing
p= 10,000/0.54 =18,519.
To calculate the plant population of maize expected on one hectare of farmland with the given spacing, follow these steps:Determine the area occupied by one plant:The spacing is given as 60 cm by 90 cm.Convert the dimensions to meters:60 cm = 0.6 meters90 cm = 0.9 metersThe area occupied by one plant = (0.6 , \text{m} \times 0.9 , \text{m} = 0.54 , \text{m}^2)Calculate the total area of one hectare in square meters:1 hectare = 10,000 square metersCalculate the plant population:Plant population = (\frac{\text{Total area of farmland}}{\text{Area occupied by one plant}})Plant population = (\frac{10,000 , \text{m}^2}{0.54 , \text{m}^2})Now, let's compute the exact value:[ \text{Plant population} = \frac{10,000}{0.54} \approx 18,519 ]Thus, the expected plant population of maize on one hectare of farmland with a spacing of 60 cm by 90 cm is approximately 18,519 plants.
