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Pakistan Journal of Biological Sciences
  Year: 1999 | Volume: 2 | Issue: 2 | Page No.: 402-403
DOI: 10.3923/pjbs.1999.402.403
 
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Effect of Potassium Levels on the Yield of Sunflower (Helianthus annuus L.)

Muhammad Ayyaz Khan, Khalil Ahmad and Jamil Ahmad

Abstract:
Effect of various levels of potassium on the yield of sunflower (Helianthus annuus L.) was studied at the Agronomy Research Area, Gomal University, D.I. Khan, during autumn 1997. The highest 1000-seed weight (53.71 g) was obtained from the plot, fertilized with 150kg potassium ha–1, while the minimum 1000-seed weight (46.41 g) was obtained in common plots. the highest seed yield (4153 kg ha–1) was also obtained in plots where 150 kg potassium per hectare was applied. The lowest seed yield was recorded in control plots (3402 kg ha–1). It can be suggested from these results that potassium. can be applied up to 150 kg ha–1 to obtain high seed yield of sunflower and to maintain the fertility regarding potassium I in the soil of D.I. Khan.
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How to cite this article:

Muhammad Ayyaz Khan, Khalil Ahmad and Jamil Ahmad, 1999. Effect of Potassium Levels on the Yield of Sunflower (Helianthus annuus L.). Pakistan Journal of Biological Sciences, 2: 402-403.

DOI: 10.3923/pjbs.1999.402.403

URL: https://scialert.net/abstract/?doi=pjbs.1999.402.403

COMMENTS
16 January, 2018
fida mohammad:
Hello dear sir,

Hope you are doing well.

I need your help, I am student of agriculture of ANASTU university I need one of research paper full text for my research reference the topic is "effect of potassium level on the yield of sunflower" the author is Mr. muhammad Ayyaz khan, I know it's available in gomal university library i tried so hardly to contact with them but unfortunately I didn't get, so please can give some information about it or if it's possible to send me the full text of mentioned research thank you.
19 January, 2018
Khushboo:
Hello, can i have the complete thesis for my further study i want to use as a refrence
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