Journal of Productivity and Development (JPD) - Articles List

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Journal of Productivity and Development
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Volume Volume 27 (2022)
Volume Volume 26 (2021)
Volume Volume 25 (2020)
Volume Volume 24 (2019)
Volume Volume 23 (2018)
Volume Volume 22 (2017)
Volume Volume 21 (2016)
Volume Volume 20 (2015)
Volume Volume 19 (2014)
Volume Volume 18 (2013)
Volume Volume 17 (2012)
Volume Volume 16 (2011)
Volume Volume 15 (2010)
Volume Volume 14 (2009)
Volume Volume 13 (2008)
Volume Volume 12 (2007)
Volume Volume 11 (2006)
Author = Helmy Wahdan
Number of Articles: 4
1

EFFECT OF CHOPPED RICE STRAW AND FOLIAR APPLICATION OF POTASSIUM AND PHOSPHORUS ON GROWTH, YIELD AND TUBEROUS ROOT QUALITY OF SWEET POTATO (Ipomoea batatas L.) GROWING AT LATE SUMMER SEASONS UNDER CLAY SOIL CONDITIONS

Volume 25, Issue 2, April 2020, Page 213-229
Mohamed El Nagy; Essam Abou El-Salehein; Wafaa Fekry; Helmy Wahdan
2

EFFECT OF FOLIAR SPRAY WITH DIFFERENT POTASSIUM SOURCES AND ZINC RATES ON GROWTH AND YIELD OF SWEET POTATO (Ipomoea batatas L.).

Volume 25, Issue 2, April 2020, Page 231-246
Mohamed El-Nagy; Essam Abou El-Salehein; Wafaa Fekry; Helmy Wahdan
3

INFLUENCE OF SOME SQUASH CULTIVARS AND GROWTH STIMULANTS ON FLOWERING, YIELD AND FRUIT QUALITY AT AUTUMN – WINTER SEASON UNDER OPEN FIELD CONDITIONS

Volume 24, Issue 3, July 2019, Page 433-460
Ahmed Rashad; Wafaa Adel Fekry; Helmy Wahdan
4

THE EFFECT OF FARMYARD , AND FOLIAR SPRAY WITH DRY YEAST , VITAMIN C ,AND ETHREL ON SQUASH ( Cucurbita pepoL. ) PLANTS.

Volume 24, Issue 2, April 2019, Page 353-370
Mostafa Abokhdeer; Essam Abou El . Salehein; Helmy Wahdan