How do you calculate plant density?
The first step in determining density is to identify the direction of the InRow planting. Using a measuring tape, hip chain, or other device, measure the distance between several seedlings in a row(between 3 and 5), and divide by the number of seedlings.
What is the optimum plant density of cowpea?
The recommended spacing for cowpea is 75 × 20 cm with two seeds planted per stand. This corresponds to plant population of 133333 plants ha−1, which may not be sufficient for optimal cowpea yield.
How do you calculate plant density per acre?
How to calculate plant population per acre?
- Determine the area of the field in acres.
- Multiply the area of the field by the number of plants grown per stand.
- Divide the result by the product of space between plants in acres and space between rows in acres.
How much are cowpeas per hectare?
Yield. A good crop of cowpea yields about 12 – 15 q of grain and 50 – 60 q of straw per hectare. If the crop is raised for fodder purpose 250 – 350 q of green fodder is obtained per hectare.
How do you calculate quadrat density?
Measure 1 – The number of individual plants The pupil counts the number of individual plants of the selected species in each quadrat. The result can be expressed as number of plants per square metre. This measure is known as density. The chosen study area measured 10 m x 10 m (100 m2).
What is the formula for calculating plant population?
Plant Population: How to Calculate The Plant population of any field is given by multiplying the between plants spacing with the spacing between the rows. 2. The total area of a hectare is 10000 square metres.
How is plant number calculated?
Multiply the square footage of the planting bed by the plants needed per square foot to determine the number of plants needed. When using plants with different spacing requirements in the same area, estimate the square footage you will need for each plant. Number of Plants per Sq. Ft.
Which fertilizer is best for cowpea?
Cowpea does not require too much nitrogen fertilizer because it fixes its own nitrogen from the air using the nodules in its roots. However, in areas where soils are poor in nitrogen, there is a need to apply a small quantity of about 15 kg of nitrogen as a starter dose for a good crop.
How many months does it take cowpea to mature?
I. Depending on temperature, fresh-market (green-mature) peas are ready for harvest 16 to 17 days after bloom (60 to 90 days after planting).
How do you calculate animal density?
Assessment population density by multiplying the average number of animals per square of area ratios obtained. For example, the population density in this sample is calculated by multiplying the 229 with 100 for coming up with 22900 persons.
How are the 3 types of population density calculated?
With this in mind, population density is most often calculated by the number of people per square kilometer. Population density is often measured in three different ways. There is arithmetic density, physiological density, and agricultural density.