Authors :
Lihou CHIN; Sophoanrith RO; Siranet ROEURN; Hong CHEANG; Phiny CHIV; Vanchey ROS
Volume/Issue :
Volume 9 - 2024, Issue 4 - April
Google Scholar :
https://tinyurl.com/bddexten
Scribd :
https://tinyurl.com/dpctbaee
DOI :
https://doi.org/10.38124/ijisrt/IJISRT24APR1763
Abstract :
Rice (Oryza sativa L.) is the most important
grain crop for more than half of the world's population
especially in Asia. Nitrogen (N) plays a crucial role in rice
production. The incorporation of the cover crop as a pre-
rice crop is the potential to improve the nitrogen used by
rice crops. The experiment was conducted on the clay
loam of Svay Rieng Province Cambodia in 2022 during
the rice cropping season. The trial was designed using
Spit-Plot design, with 4 levels of nitrogen (N) as main-plot
and Cover Crop (CC) as a sub-plot. The CC was either
the absence of CC or the use of incorporated Sesbania
sesban L. (30 kg ha-1
) as a pre-rice crop. The application
rate of nitrogen was 0, 35, 70 and 105 kg ha–1
,
respectively. Direct-seeded rice (DSR) was 100 Kg ha-1
.
The size of each plot was 16 m2
(4 m×4 m). The
experiment was conducted in 3 replicates. An analysis of
variance (ANOVA) on Plants Height revealed a
significant difference at 1% (P < 0.01) effect of nitrogen
level. N35 had the greatest average height (82.95 cm) and
N0 was the shortest plant height (77.15 cm). Additionally,
a significant difference at 1% (P < 0.01) of planting (CC).
CC1 was the tallest plant height (81.75 cm), while CC0
was the shortest plant height (78.49 cm). However, the
interaction between N level and CC was not statistically
significant (P > 0.05) on Plant height. An analysis of
variance (ANOVA) on Grain yield showed a significant
difference at 1% (P < 0.01) N70 had the highest average
yield (4.92 tons/ha) and N0 had the lowest yield averaging
(3.53 tons/ha). Planting (CC) was a significant difference
at 1% (P < 0.01). CC1 had the highest average yield (4.60
tons/ha), while CC0 had the lowest average yield (4.13
tons/ha). the interaction between N level and CC was not
statistically significant (P > 0.05) The results suggested
that among 4 levels of nitrogen, The application of any
rates of fertilizers increased the grain yield compared to
non-N application. The grain yield was even higher with
the incorporation of CC as a pre-rice crop.
Keywords :
Sesbania sesban, Nitrogen and Rice.
Rice (Oryza sativa L.) is the most important
grain crop for more than half of the world's population
especially in Asia. Nitrogen (N) plays a crucial role in rice
production. The incorporation of the cover crop as a pre-
rice crop is the potential to improve the nitrogen used by
rice crops. The experiment was conducted on the clay
loam of Svay Rieng Province Cambodia in 2022 during
the rice cropping season. The trial was designed using
Spit-Plot design, with 4 levels of nitrogen (N) as main-plot
and Cover Crop (CC) as a sub-plot. The CC was either
the absence of CC or the use of incorporated Sesbania
sesban L. (30 kg ha-1
) as a pre-rice crop. The application
rate of nitrogen was 0, 35, 70 and 105 kg ha–1
,
respectively. Direct-seeded rice (DSR) was 100 Kg ha-1
.
The size of each plot was 16 m2
(4 m×4 m). The
experiment was conducted in 3 replicates. An analysis of
variance (ANOVA) on Plants Height revealed a
significant difference at 1% (P < 0.01) effect of nitrogen
level. N35 had the greatest average height (82.95 cm) and
N0 was the shortest plant height (77.15 cm). Additionally,
a significant difference at 1% (P < 0.01) of planting (CC).
CC1 was the tallest plant height (81.75 cm), while CC0
was the shortest plant height (78.49 cm). However, the
interaction between N level and CC was not statistically
significant (P > 0.05) on Plant height. An analysis of
variance (ANOVA) on Grain yield showed a significant
difference at 1% (P < 0.01) N70 had the highest average
yield (4.92 tons/ha) and N0 had the lowest yield averaging
(3.53 tons/ha). Planting (CC) was a significant difference
at 1% (P < 0.01). CC1 had the highest average yield (4.60
tons/ha), while CC0 had the lowest average yield (4.13
tons/ha). the interaction between N level and CC was not
statistically significant (P > 0.05) The results suggested
that among 4 levels of nitrogen, The application of any
rates of fertilizers increased the grain yield compared to
non-N application. The grain yield was even higher with
the incorporation of CC as a pre-rice crop.
Keywords :
Sesbania sesban, Nitrogen and Rice.
