Effect of various planting depth and mulching on yield of autumn potato crop sown at different dates

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Research Paper 01/12/2017
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Effect of various planting depth and mulching on yield of autumn potato crop sown at different dates

Mohammad Ilyas, Gohar Ayub
Int. J. Biosci.11( 6), 166-177, December 2017.
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Series of experiments were conducted to study the role of various planting depths i.e. 10, 15 and 20cm along with mulching on yield of autumn potato crop sown at different dates (October- 01, 15 and 29). The experiment was laid out in Randomized Complete Block Design (RCBD) with split plot arrangement. The two years average results revealed that sowing dates, planting depth, mulch treatments and their interactions have significant effects on potato yield and quality parameters. Potato crop sown earlier on October 01 showed maximum number of large size tubers plant-1 (2.5) and total tuber yield (21.9t ha-1) than late sown plants. Delay sowing resulted in maximum number of aerial stems plant-1 (4.2) and number of small size tubers plant-1 (3.9). Regarding planting depths, tuber planted at a depth of 15cm produced maximum number of aerial stems plan-1 (3.7), number of large size tubers plant-1 (2.3) and total tuber yield (18.6t ha-1) as compared to tubers planted at a depth of 10 and 20cm. Mulching resulted in maximum number of aerial stems plant-1 (3.7), number of large size tubers plant-1 (2.2) and total tuber yield (18.4t ha-1) as compared to no mulching. Therefore, it can be concluded from the results that early sowing of potato crop on October 01 at a depth of 15cm with organic mulching resulted in better yield of autumn potato crop under the climatic condition of Peshawar, Pakistan.


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