Results 31 to 40 of about 1,935,089 (298)

Shallot (Allium cepa var. ascolonicum) responses to plant nutrients and soil moisture in a sub-humit tropical climate [PDF]

open access: yes, 2003
Shallot requirements of nitrogen, phosphorus and potassium fertilizers were studied under rain-fed and irrigated conditions on heavy clay soils with low to medium organic matter contents in a sub-humid tropical climate of eastern Ethiopia.
Woldetsadik, Kebede
core   +1 more source

The Effects of Different Tillage Methods on Available Soil Potassium Measured by Various Extractors in a Soil with High Specific Surface Area

open access: yesمجله آب و خاک, 2016
Introduction: The effects of any tillage method on soil properties, depends on location (soil, water and air) and the number of (years) their implementation.
M. Hosseini   +2 more
doaj   +1 more source

Mineral Fertilization and Maize Cultivation as Factors Which Determine the Content of Trace Elements in Soil

open access: yesAgronomy, 2022
This study has been carried out in order to determine the effect of increasingly intensive fertilization with potassium, applied in combination with nitrogen, on the content of trace elements in soil after the harvest of maize (Zea mays L.).
Marzena S. Brodowska   +2 more
doaj   +1 more source

Minimizing of Using Potassium Fertilizer by Using Foliar Spraying and Organic Manuring and Its Effect on Maize Productivity and Soil Properties [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2018
Two field experiments were performed in the Agricultural Farm of Sids Agricultural Research Station, ARC, Beni-Suef Governorate during two seasons of 2016 and 2017 to evaluate using foliar spraying of 2% mono-potassium sulphate or di-potassium sulphate ...
Hanan Abu El Fotoh   +2 more
doaj   +1 more source

Potassium adsorption in soil cultivated with sugarcane [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2017
Vinasse is a byproduct of the process of distillation of sugarcane juice for the manufacture of sugar and alcohol. Because it is rich in nutrients, mainly potassium (K), is used as fertilizer and applied via fertigation, without concerning for the fate of this compound in the soil.
FREITAS, JOYCYELY M.A.S.   +4 more
openaire   +5 more sources

The effect of soil pH on potassium intensity and release of non-exchangeable potassium to ryegrass

open access: yes, 1970
Ryegrass was used to remove potassium from two acid soils limed to different pH values. Most non-exchangeable potassium was removed from the unlimed soils (pH 4·5) but differences in removal between pH 5·5 and 7·0 were small.
Bolton, J., Islam, A.
core   +1 more source

TRANSPORT PARAMETERS OF POTASSIUM FROM DIFFERENT SOURCES IN SOIL COLUMNS [PDF]

open access: yesEngenharia Agrícola, 2018
This study aimed to determine some transport parameters of potassium in soil columns by miscible displacement of effluent from a Sewage Treatment Plant (STP).
Nathane M. S. Vilela   +4 more
doaj   +1 more source

Dynamics of the soil microbial community associated with Morchella cultivation: diversity, assembly mechanism and yield prediction

open access: yesFrontiers in Microbiology
IntroductionThe artificial cultivation of morels has been a global research focus owing to production variability. Understanding the microbial ecology in cultivated soil is essential to increase morel yield and alleviate pathogen harm.MethodsA total of ...
Yihong Yue   +8 more
doaj   +1 more source

A minimal cellulosome‐like system in Cellulosilyticum lentocellum

open access: yesFEBS Open Bio, EarlyView.
Cellulose‐degrading bacteria typically use cellulosomes, large multi‐enzyme complexes on a scaffold protein. In Cellulosilyticum lentocellum, we characterise a far smaller arrangement, a single scaffold bound to one cellulase through a single cohesin‐dockerin interaction.
John Allan   +2 more
wiley   +1 more source

Impact of Seed Dressing and Soil Application of Potassium Humate on Cotton Plants Productivity and Fiber Quality

open access: yesPlants, 2020
Humus is the stable form of added crop and animal residues. The organic matter after a long-term decomposition process converts into humic substances. The naturally occurring humus is present in less amount in soils of the arid and semi-arid regions. The
Asmat Ullah   +12 more
doaj   +1 more source

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