The Effect of Water Saving Irrigation and Nitrogen Fertilizer on Rice Production in Paddy Fields of Iran

Ashouri, Majid

doi:10.7763/ijbbb.2012.v2.70

Cited by 10 publications

(8 citation statements)

References 8 publications

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“…These results were hold true in the two studied seasons. These results were in agreement with that obtained by Abou khalifa (2010) and Ashouri (2012).…”

Section: I-growth Characterssupporting

confidence: 93%

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Performance of Some Hybrid Rice Combinations Under Different Irrigation Intervals and Sowing Dates

Khalifa

Awad-Allah

2016

Journal of Plant Production

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Two field experiments were conducted at the farm of Sakha Agricultural Research Station-Sakha, Kafr-El sheikh governorate, Egypt during 2014 and 2015 seasons to study the performance of some hybrid rice combinations to different dates of sowing and various irrigation intervals. Three hybrid rice combinations, namely; SK-2034H (H1), SK-2046H (H2) and SK-2151H (H3) were used under three dates of sowing (May, 1, May, 15 and May, 30) with three irrigation intervals i.e. every 4 days, every 8 days and every 12 days. A split-split plot design with four replications was used. The three dates of sowing were allocated in the main plots and the three irrigation intervals were devoted in sub-plots, while sub-sub were received the three varieties. The studied characters were light penetrations, leaf area index (LAI), chlorophyll content, crop growth rate, plant height, root depth, number of panicles /m 2 , 1000-grain weight, panicle length, number of spikelets / m 2 *1000, spikelets-leaf area ratio, number of grains/ panicle, grain yield (t/ha) and straw yield (t/ha). The main results indicated that May first followed by May,15 caused an increase in all the previous characters except light penetration and plant height at maximum tillering and late booting. As for irrigation intervals, either irrigation every 4 days or every 8 days were the best for all the studied characters except light penetration and rood depth which reached to the maximum value under irrigation every 12 days. Results also revealed that the hybrid SK-2034 H (H1) surpassed the other two studied hybrids in most of the studied characters and produced the greatest grain yield moreover saved reasonable amount of irrigation water (984,3 m 3 /ha) under 8 days intervals. So it can be concluded that cultivate the hybrid SK-2034 H (H1) hybrid through the first two weeks of May and irrigate it every 8 days intervals was the best combination to get higher yield and save of irrigation water without significant reduction in the yield.

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“…These results were hold true in the two studied seasons. These results were in agreement with that obtained by Abou khalifa (2010) and Ashouri (2012).…”

Section: I-growth Characterssupporting

confidence: 93%

“…It can be also found that H1 hybrid produced the greatest plant height and root depth at all the studied stages followed by H3 hybrid while H2 hybrid gave the least. These data are in agreement with those reported by El-kallawy (2002), Abou khalifa (2010), Ashouri (2012) and Bunnag and Ppngthai (2013).…”

Section: I-growth Characterssupporting

confidence: 93%

Performance of Some Hybrid Rice Combinations Under Different Irrigation Intervals and Sowing Dates

Khalifa

Awad-Allah

2016

Journal of Plant Production

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“…While, it recorded significantly higher yield than irrigation once every 13-14 days and irrigation once every 16-17 in aerobic rice (Murali, 2009). Grain yield was statistically the same under 8 days intervals and continuous flooding however, water consumption decreased by about 18% under 8 days interval, but the lowest grain yield were of 11 days interval (Ashouri, 2012 andAshouri, 2014).…”

Section: Introductionmentioning

confidence: 80%

Enhancing Irrigation Water Productivity of Rice Using Irrigation Intervals, Transplanting Methods and Weed Control in North Nile Delta

El-Naby

Mahmoud²

2018

Journal of Soil Sciences and Agricultural Engineering

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Water is the main limiting factor for agricultural expansion in arid and semi-arid regions as well as Egypt. So two field experiments were carried out during 2015 and 2016 summer season at the experimental farm of Sakha Agricultural Research Station, Egypt to enhance water productivity of rice using irrigation intervals, transplanting methods and weed control treatments. Strip split-plot design with three replicates was used in infested weedy soils. Irrigation intervals were in the horizontal plots, it was irrigate every three days as a farmer practices (I 1), every six days (I 2) and every nine days (I 3). Transplanting methods were located in vertical plots contained; transplanting in flat soil as a traditional method (M 1) and transplanting in bottom of raised-bed (M 2). While weed control treatments were assigned in sub-plots, it was penoxsulam (Granite) 24% SC (W 1), penoxsulam + orthosulfamuron 50% WG (Kelion) (W 2), thiobencarb50% EC (Citron) fb penoxsulam (W 3), weedy check (W 4) and hand weeding twice (W 5). Results showed that treatment of I 1 was the best in weed management, rice dry weight, number of panicles/m 2 , number of filled grain/panicle, 1000-grain weight and grain yield. Irrigation treatments of I 2 and I 3 saved about 20.7 % and 29.9 % of irrigation water compared to I 1 , while the highest productivity of irrigation water (PIW) were recorded by treatment of I 2 compared to I 1 and I 3. The lowest fresh and dry weights of total weeds and the highest values of rice dry weight, number of panicles/m 2 , number of filled grains/panicle, 1000-grain weight were recorded by M 1 as compared to M 2 , in addition rice grain yield of M 1 was increased by 7.1 % compared to M 2 as mean of the two growing seasons. Transplanting method of M 2 saved about 21.2 % of irrigation water and increased PIW by 18.4 % compared to M 1. The best weed management beside the highest values of number of panicles/m 2 , number of filled grain/panicle, 1000-grain and grain yield of rice were obtained by W 3 compared to rest weed control treatments and it take the descending order W 3 > W 5 = W 2 > W 1 > W 4 in the two seasons of study. The interaction of I 2 X M 1 X W 3 was superior treatment for rice grain yield. But, under shortage of water, increasing irrigation water productivity of rice could be achieved by the superior interaction of I 2 X M 2 X W 3 because it resulted in the highest irrigation water productivity of rice to be 0.98 kg m-3 .

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“…Rice likes soil water regime from field capacity to shallow submergence in which relatively high percolation loss is inevitable in coarse textured soils [1] [2]. However, irrigations at 6 -8 days interval can also assure good crop under proper choice of variety and management conditions [1] [3]- [5].…”

Section: Introductionmentioning

confidence: 99%

Rice Production Prospects in Eritrea

Tripathi

Ogbazghi

Amlesom

2015

JWARP

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Rice is not cultivated in Eritrea because of its high water requirements and arid to semiarid conditions. However, most agricultural watersheds in Eritrea are associated with >80% non-agricultural lands, which produce significant runoff that can be diverted for use by rice crop. Experiments were conducted at Hamelmalo Agricultural College, Eritrea, using four NERICA rice varieties viz. N1, N4, N10 and N11 under rainfed (Io) and limited supplementary irrigations (I) in 3 replications. Results showed that plants were taller under limited irrigations than rainfed. Among the 4 varieties, N11 was most affected by water stress in which plant height was 0.72 m under rainfed and 0.89 m under limited irrigations. Effective tillers were highest (6) in N11 under limited irrigations and lowest (2) in N10 under rainfed. Panicles were shorter (0.20 m) in N10 and longer (0.23-0.24 m) in N1 and N11. Irrigations delayed maturity by 6-15 days. Water use by N11 was higher both under limited irrigations (987 mm) and rainfed (477 mm) and lower by N10 under rainfed (457 mm). Root growth in all the varieties was better under irrigations (I) than rainfed (Io). Roots were limited to 0.7 m depth under rainfed (Io) but grew down to 0.8 m in N1, N4 and N11 under limited irrigations (I). Roots in N10 were limited to 0.5 m depth under Io and 0.7 m under I. More than 63% roots in N10 were in 0-0.1 m layer under rainfed as against less than 55% under limited irrigations. In lower layers, roots under Io were more in N4 than others, which is a beneficial trait for better performance under semiarid environments. Roots in N11 were better and uniformly distributed in lower layers under irrigated conditions. Rooting patterns and grain yields showed that N11 was most responsive to irrigations but susceptible to water stress and N4 was best under rainfed followed by N10. N4 was next to N11 under irrigated conditions.

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The Effect of Water Saving Irrigation and Nitrogen Fertilizer on Rice Production in Paddy Fields of Iran

Cited by 10 publications

References 8 publications

Performance of Some Hybrid Rice Combinations Under Different Irrigation Intervals and Sowing Dates

Performance of Some Hybrid Rice Combinations Under Different Irrigation Intervals and Sowing Dates

Enhancing Irrigation Water Productivity of Rice Using Irrigation Intervals, Transplanting Methods and Weed Control in North Nile Delta

Rice Production Prospects in Eritrea

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