The treatments tested were two sowing dates (Mid November and end November) and six competition durations (No competition, competition for 4,6,8,10 weeks and full season competition). The experiment was laid out in a split plot arrangement with three replications placing the sowing dates and competition durations in the main and sub plots, respectively. Common weeds of wheat were allowed to compete with crop for different prescribed competition durations. The results revealed that various growth and yield components were significantly influenced by sowing dates and weed competition. Significantly maximum grain yield of 6122.21 kg haG 1 was obtained in no weed competition treatment followed by competition upto 4 to 6 weeks which were statistically at par with each other. However, the sowing dates had no significant effect on final grain yield.
T here are various sources of plant propagation such as seeds, cuttings, bulbs, etc. These sources depend upon the species and their effectiveness in that species. Seed are the most common and cheapest way of propagation for a lot of plant species. However, many of them have hard seed coat that doesn't allow proper germination. Some plant species have hard seed coat which is impermeable to water and/or gases, such as plants of Leguminaceae family (Argel and
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