Results 21 to 30 of about 32,193 (263)

Effect of Different Nitrogen Fertilizer Sources on Growth and Rice Yield Under Saline Sodic Soil Conditions [PDF]

open access: yesJournal of Plant Production, 2016
Two filed experiments were conducted during 2015 and 2016 seasons at the Research Farm of El-Sirw Agricultural Research Station, Damietta Governorate, Egypt.
Amira Okasha   +3 more
doaj   +1 more source

Obtaining potassium sulphate by conversion of potassium chloride and ammonium sulphate

open access: yesE3S Web of Conferences, 2023
This study investigates the synthesis of potassium sulfate through the conversion of potassium chloride and ammonium sulfate, showcasing the viability of this process. Through systematic experimentation, optimal conditions and the stoichiometric ratio of starting components are determined.
Umarova Maftuna   +2 more
openaire   +2 more sources

Effect of the microalga Pavlova lutheri (Droop) Hibberd cultured with agricultural fertilizers on the growth and survival of larvae and postlarvae of the mussel Mytilus edulis (L.)

open access: yesCiencias Marinas, 1992
An evaluation was made of the growth and survival of Mytilus edulis larvae to metamorphosis, fed on Pavlova lutheri cultured with three nitrogen sources: two agricultural fertilizers (urea and ammonium sulphate) and laboratory-grade nitrate (medium f/2).
LS McAnally-Salas   +2 more
doaj   +1 more source

THE SOLUBILITY OF LEAD SULPHATE IN AMMONIUM ACETATE SOLUTIONS. [PDF]

open access: yesJournal of the American Chemical Society, 1905
n ...
Noyes, Arthur A., Whitcomb, William H.
openaire   +1 more source

PEMURNIAN PARSIAL DAN KRISTALISASI PAPAIN DARI GETAH Carica papaya

open access: yesJurnal Kimia Riset, 2019
This research has done partial purification by fractionation and optimization crystallization of papain from Carica papaya latex with the addition of ammonium sulphate. The enhancement of purification factor was determined by its specific activity.
Dwi Putri Mashfufatur Rohmah   +2 more
doaj   +1 more source

YIELD AND QUALITY OF SUGAR BEET AS AFFECTED BY NITROGEN SOURCE AND ZINC FERTILIZATION UNDER SALINE SOIL CONDITIONS [PDF]

open access: yesFayoum Journal of Agricultural Research and Development, 2014
Two field experiments were conducted at El-Sirw AgriculturalResearch Station, Damietta Governorate (latitude of 31.140 N andlongitude of 31.390 E) during the two seasons 2011/2012 and 2012/2013to investigate the effect of different sources of nitrogen ...
Enan S.A.A.M
doaj   +1 more source

ENVIRONMENTAL STUDIES ON DIFFERENT NITROGEN FERTILIZERS ON GROWTH YIELD AND VOLATILE OIL OF THYME PLANT [PDF]

open access: yesJournal of Environmental Science, 2019
To investigate the effect of different types of nitrogen fertilization the growth and productivity of thyme within reducing the harm effects of the excess of nitrogen fertilizers as an environmental and healthy problems, two successive experiments were ...
Ahmed M. Basal   +3 more
doaj   +1 more source

GROWTH AND FLOWERING OF Chrysanthem m morifolium PLANTS: II. EFFECT OF N-MINERA.UN-BtOFERTILIZER AND MICRO NUTRIENTS ON Chrysanthemum morifolium ICECAP. [PDF]

open access: yesJournal of Plant Production, 2003
A pot experiment was conducted during 2001 and 2002 seas01s to explore the response of Chrysanthemum morifolium plants to N·min ral- and/or bio-fertillzer treatments, as well as, Fe and Zn concentrations.
M. Abdou,
doaj   +1 more source

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