Mathias Neumann Andersen1, Selorm Y. Dorvlo2,4, Emmanuel Amoakwah3, Joseph Osafo Eduah2, Kwadwo K... more Mathias Neumann Andersen1, Selorm Y. Dorvlo2,4, Emmanuel Amoakwah3, Joseph Osafo Eduah2, Kwadwo Kusi Amoah3, Eric Oppong Danso2, Isaac Baidoo2, Finn Plauborg1, Edward Benjamin Sabi2, Stephen Abenney-Mickson2, Ulrik Henriksen5, Jesper Ahrenfeldt5, Kwame Agyei Frimpong3, Mark Abekoe2, Henrik Breuning-Madsen6, Kingsley Joseph Taah3, Fulai Liu6, Daniel Sarpong2, Simon Bolwig5, Fauziatu Ahmed1, Emmanuel Arthur1 1Aarhus University, 2University of Ghana, 3University of Cape Coast, 4Kwame Nkrumah University of Science and Technology, 5Technical University of Denmark, 6University of Copenhagen
Nitrogen (N) uptake (kg ha -1 ) of field-grown potatoes was measured in 4.32 m 2 lysimeters that ... more Nitrogen (N) uptake (kg ha -1 ) of field-grown potatoes was measured in 4.32 m 2 lysimeters that were filled with coarse sand, loamy sand, and sandy loam and subjected to full (FI), deficit (DI), and partial root-zone drying (PRD) irrigation strategies. PRD and DI as water-saving irrigation treatments received 65% of FI after tuber bulking and lasted for six weeks until final harvest. Results showed that the irrigation treatments were not significantly different in terms of N uptake in the tubers, shoot, and whole crop. However, there was a statistical difference between the soil textures where plants in the loamy sand had the highest amount of N uptake. The interaction between irrigation treatments and soil textures was significant, and implied that under non-limiting water conditions, loamy sand is the suitable soil for potato production because plants can take up sufficient amounts of N and it could potentially lead to higher yield. However, under limited water conditions and app...
Journal of Irrigation and Drainage Engineering, 2018
AbstractA substantial amount of work has been done concerning the use of siphons to automatically... more AbstractA substantial amount of work has been done concerning the use of siphons to automatically start and stop the discharge of fluid in many applications, except for application as a water suppl...
Mathias Neumann Andersen1, Selorm Y. Dorvlo2,4, Emmanuel Amoakwah3, Joseph Osafo Eduah2, Kwadwo K... more Mathias Neumann Andersen1, Selorm Y. Dorvlo2,4, Emmanuel Amoakwah3, Joseph Osafo Eduah2, Kwadwo Kusi Amoah3, Eric Oppong Danso2, Isaac Baidoo2, Finn Plauborg1, Edward Benjamin Sabi2, Stephen Abenney-Mickson2, Ulrik Henriksen5, Jesper Ahrenfeldt5, Kwame Agyei Frimpong3, Mark Abekoe2, Henrik Breuning-Madsen6, Kingsley Joseph Taah3, Fulai Liu6, Daniel Sarpong2, Simon Bolwig5, Fauziatu Ahmed1, Emmanuel Arthur1 1Aarhus University, 2University of Ghana, 3University of Cape Coast, 4Kwame Nkrumah University of Science and Technology, 5Technical University of Denmark, 6University of Copenhagen
Nitrogen (N) uptake (kg ha -1 ) of field-grown potatoes was measured in 4.32 m 2 lysimeters that ... more Nitrogen (N) uptake (kg ha -1 ) of field-grown potatoes was measured in 4.32 m 2 lysimeters that were filled with coarse sand, loamy sand, and sandy loam and subjected to full (FI), deficit (DI), and partial root-zone drying (PRD) irrigation strategies. PRD and DI as water-saving irrigation treatments received 65% of FI after tuber bulking and lasted for six weeks until final harvest. Results showed that the irrigation treatments were not significantly different in terms of N uptake in the tubers, shoot, and whole crop. However, there was a statistical difference between the soil textures where plants in the loamy sand had the highest amount of N uptake. The interaction between irrigation treatments and soil textures was significant, and implied that under non-limiting water conditions, loamy sand is the suitable soil for potato production because plants can take up sufficient amounts of N and it could potentially lead to higher yield. However, under limited water conditions and app...
Journal of Irrigation and Drainage Engineering, 2018
AbstractA substantial amount of work has been done concerning the use of siphons to automatically... more AbstractA substantial amount of work has been done concerning the use of siphons to automatically start and stop the discharge of fluid in many applications, except for application as a water suppl...
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