Effect of Sowing Dates, Plant Spacing and Nitrogen Application on Growth and Productivity on Cotton Crop
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| Author(s) |
|Hakoomat Ali, Mohammad Naveed Afzal, Fiaz Ahmad, Shakeel Ahmad, Maqbool Akhtar, Raheel Atif|
| KEYWORDS |
Boll count, boll weight, cotton, nitrogen, seed cotton yield, sowing time, spacing
The investigation were carried out to quantify the effect of sowing date, plant spacing and nitrogen application on plant growth, seed cotton yield and its components. The present studies were conducted to determine the effect of sowing dates and potential of nitrogen fertilizer with different plant spacing under and arid sub-tropical continental climate, on silt loam soils during the three consecutive crop seasons (i.e. 2005, 2006 and 2007). Cultivar CIM-473 was planted at three plant spacing (15, 30 and 45 cm) with four nitrogen levels of 0, 50, 100 and 150 kg ha-1. Observations were recorded for plant height, number of bolls m-2, boll weight (g) and seed cotton yield (kg ha-1) and data were analyzed by using M STAT software, which showed that crop sown on May 10 and nitrogen application at the rate of 150 kg ha-1 with narrow spacing (15 cm) produced taller plants with higher boll number and weight (g) that resulted higher seed cotton yield (kg ha-1).
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