Dear Friend,
There are 4 ways of calculating the area under crops in multicropping or mixed planting system.
1) If it is an annual crop, Find out the seed requirement /Ha and the quantity of seeds sown will give the area under crops.
2) Find out the recomended spaceing from cultivation manual of State Agri. University or spacing adopted (i.e Distance between Row to row and distance between plant to plant in meters). The formula = 10000/spaceing in meter will give no of plants that can be accomodated in a Hectare.
3)The Number of plants present in yur area will give an rough estimate of area occupied. Count the number of plants and estimate the area occupied.
4) Finally or as last resort, find out the yield of plants and compare with the expected yield /hectare from which U can estimate the area.
Dr.V.Rams
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