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DETERMINATION OF WEED DENSITY AND FREQUENCY AT DIFFERENT SITES OF AGRICULTURE RESEARCH FORM, PESHAWAR
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DETERMINATION OF WEED DENSITY AND FREQUENCY AT DIFFERENT SITES OF AGRICULTURE RESEARCH FORM, PESHAWAR
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Journal Article
DETERMINATION OF WEED DENSITY AND FREQUENCY AT DIFFERENT SITES OF AGRICULTURE RESEARCH FORM, PESHAWAR
2022
Overview
A survey was conducted in the month of January 2015, to record the weed density and frequency in different crops in Agriculture Research Farm. A total two farms randomly selected for the survey. The data were recorded on the density m-2and the frequency (%). Quadrate method was use for recording data. In the first field maximum value of density m-2 (93) were recorded for Cynodon dactylon while the minimum value of density m-2 (6) were recorded for the Convolvulus arvensis and Melilotus indica. Similarly the maximum value of frequency (80%) were recorded for the Cynodon dacrylon while the minimum value of frequency (20%) were recorded for the Convolvulus arvensis . In the second field the maximum value of density m-2(56) were recorded for the Euphorbia helioscopia while the minimum value of density m-2 (6) were recorded for the Silybum marianum. Similarly the maximum value of frequency (100%) were recorded for Euphorbia helioscopia while the minimum value of frequency (20%) were recorded for fumaria indica, Silybum marianum,Coronopus didymus and Sonchus olereaceus . It is concluded that the weed prevailing in an area should be identify and managed to harvest potential yields of various crops.
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