Increasing Nitrogen Availability for Rice Growth in Irrigated System in Sourou Valley (Burkina Faso)

Increasing Nitrogen Availability for Rice Growth in Irrigated System in Sourou Valley (Burkina Faso)



Bandaogo Alimata, Fofana Bidjokazo, Sansan Youl



Nitrogen is the main nutrient that is limiting yield in irrigated rice
(Oryza sativa L.) systems. The availability of N can affect phosphorus
and potassium plant uptake and reduce rice yieldsThe effect of
fertilizer nitrgogen (N) (prilled urea PU) and briquettes—urea
supergranules (USG) on rice nitrogen, phosphorus and potassium
uptake,soil total N were investigated in Sourou valley in Burkina Faso
in pot experiment the dry season of 2013 on acid soil and alkaline soil.
Pot experiment was carried out using a factorial design with the rice
variety FKR62N.Field experiment was also carried out in the wet season
2013 in acid soil with two rice varieties (FKR 19 and FKR 62N) using a
split plot design.The results indicate that soil total N was higher in
the acid soil compared to the alkaline soil during the panicle and
flowering stages. Urea Deep Placement (UDP) significantly increased N, P
and K uptake. Higher nitrogen content was recorded by urea deep
placement with USG throughout the experiment. The amount of total N, P
and K increased in rice plant with the UDP during the study.Field
experiment also showed that USG application was 13% superior to PU
application and gave more yields with the two varieties. The best
combination was obtained with rice variety FKR 62N. This study suggests
that farmers may derive more yields from the use of USG technology than
broadcasting. 



10.22161/ijaers/3.10.27



http://ijeab.com/upload_document/issue_files/27%20IJEAB-OCT-2016-9-Increasing%20Nitrogen%20Availability%20for%20Rice%20Growth%20in%20Irrigated%20System%20in%20Sourou%20Valley%20(Burkina%20Faso).pdf



http://ijeab.com/submit-paper/

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