Výsledky vyhledávání - "R. K. M. Khalifa"

CHARACTERIZING WATER DISTRIBUTION OF FURROW IRRIGATION TO IMPROVE SOIL PRODUCTIVITY IN NORTH NILE DELTA OF EGYPT

Autor: M. Kh. El Ghannam, R. K. M. Khalifa

Publikováno v: Menoufia Journal of Soil Science. 6:87-110

Field trials were conducted at Sakha farm, Kafr EL-Sheikh Governorate, Egypt to find the best interaction between furrow design, cut-off irrigation, Alternative furrow irrigation, discharge and phosphorus fertilization to enhance faba bean productivi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98461dc3ac494edaae9b44a913792545
https://doi.org/10.21608/mjss.2021.169827

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EFFECT OF LATERALS DRAIN SPACING AND GROUNDWATER DEPTH ON SOIL WATER RELATIONS AND RICE PRODUCTIVITY IN THE NORTH NILE DELTA

Autor: R. K. M. Khalifa, M. Kh. El-Ghannam, B. B. Mikhael

Publikováno v: Menoufia Journal of Soil Science. 5:217-234

A field experiment was conducted in alluvial clay soil located at the north Nile Delta (Motobus District, Kafr El-Shiekh Governorate, Egypt). The soil was cultivated with rice crop (Oryza sativa L.) during two summer seasons 2018 and 2019. The impact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4782cd2253b963f12ff4b562b9244dbb
https://doi.org/10.21608/mjss.2020.136094

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Effect of different irrigation water levels and bio-minerals fertilization on fruit yield, quality and water productivity of watermelon grown on sandy soil, Egypt

Autor: R. K. M. Khalifa

Publikováno v: Egyptian Journal of Soil Science.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2434ed81f18c7e67912bb5ae27658f81
https://doi.org/10.21608/ejss.2020.29343.1355

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Response of Barley Plants to Potassium Spraying under Water Deficit Conditions

Autor: Rania F. El Mantawy, R. K. M. Khalifa

Publikováno v: Journal of Plant Production. 9:359-367

A field experiment was carried out at the Experimental Farm of Sakha Agricultural Research Station during the winter season of 2014/2015 and 2015/2016 to study the impact of foliar application with potassium on growth, yield, its components and the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3ce97d8a47f886fc9f33a36bddd9939
https://doi.org/10.21608/jpp.2018.35733

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Response of Faba bean to alternate irrigation and cut-off irrigation combined with mineral phosphorus levels and Biofertilizer at North Nile Delta soils

Autor: R. K. M. Khalifa

Publikováno v: Egyptian Journal of Soil Science.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00f5af0fe509625dbcccf31dba570253
https://doi.org/10.21608/ejss.2019.11931.1266

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Effect of irrigation scheduling at different management allowable deficit by using pan evaporation on wheat yield and water efficiencies at North Delta

Autor: Mahmoud Aiad, Ahmed Mohamed Melehaa, Elsayed Moursi, R. K. M. Khalifa

Publikováno v: Journal of Sustainable Agricultural Sciences.

Two field experiments were carried out at Sakha farm, Kafr El-Sheikh Governorate during 2016/2017 and 2017/2018 to investigate the effect of irrigation scheduling at different allowable soil moisture depletion (ASMD) levels by using Pan evaporation m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7d7b4f92acfef2dd16cd4a109658fc5
https://doi.org/10.21608/jsas.2018.6488.1115

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Influence of Mole Drains and N-Fertilizer Sources on Rhizosphere Activity and Rice Yield in Heavy Clay Salt-affected Soil at North Nile Delta

Autor: R. K. M. Khalifa, Ahmed M. S. Kheir, Antar Shaban Antar, Mahmoud Mohamed Shabana

Publikováno v: Journal of Sustainable Agricultural Sciences.

The integration mole drains as a low-cost drainage system with nitrogen fertilizers particularly ammonia gas to improve salt affected soils have a little attention. A field experiment was conducted at North Nile Delta , during the two summer seasons

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44a7e89bef081f3f3401060785daf14b
https://doi.org/10.21608/jsas.2018.3578.1063

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Improvement and evaluation of slide irrigation design in the northern Delta clay soils

Autor: Mohamed Khalifa, R. K. M. Khalifa, mahmoud Saied

Publikováno v: Egyptian Journal of Soil Science.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9733baa55cad8386cbd7765b7bbc4c5d
https://doi.org/10.21608/ejss.2018.2632.1154

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MATING FREQUENCY AND ARTIFICIAL INSEMINATION IN RABBIT USING VASECTOMIZED BUCK

Autor: R. K. M. Khalifa

Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[EN] Two experiments were conducted on 132 fertile females of New Zealand White (NZW) and Californian (Cal) rabbits. The first experiment aimed to study the mating frequency and/or spermatozoa number effects on conception rate (GR), litter size and l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3818405421e748b2038110641abb4d87
https://doi.org/10.4995/wrs.1994.210

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