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Copyright of Journal of Plant Production is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Plant Production is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Soil Sciences & Agricultural Engineering is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The recent challenge in agriculture is producing more yields by consuming less water, especially in areas with limited resources of land and water. The study was carried out at Sakha Agricultural Research station., kafr el- sheikh governorate, Egypt, during the 2018 and 2019 summer seasons to evaluate productivity and economic profitability of cowpea intercrop with maize under different sowing dates of cowpea as well as evaluate the efficiency of the system using the land equivalent ratio (LER), water equivalent ratio (WER), some water relations also Gross return. The split-plot design with three replications was used. The main plots were assigned to the cowpea sowing date (D1-1st May, D2 - 20th May, and D3- 9th June), the sub-plot was contained to the intercropping pattern (P1-(1:1), P2-(1:2) and P3-(2:4)). The highest values of irrigation water use efficiency (IWUE) and crop water use efficiency (CWUE) were given with the first sowing date under the intercropping system (1:2). The cowpea sowing dates had no significant differences in yield and some components of maize and on its interaction with intercropping patterns. The highest LER was found with the third sowing date for cowpea under intercropping system (1:2) treatment in two seasons, respectively. In economic viewpoint high additional increase in profits over each cost for all intercropping patterns especially the third sowing date for cowpea under the intercropping system (1:2). [ABSTRACT FROM AUTHOR]

Copyright of Egyptian Journal of Soil Science is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Soil Sciences & Agricultural Engineering is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Soil Sciences & Agricultural Engineering is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Soil Sciences & Agricultural Engineering is the property of Egyptian National Agricultural Library (ENAL) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

A field experiment was conducted at Sakha Agricultural Research Station Farm, Kafr El-Sheikh Governorate. The site is located at middle North of Nile Delta with 30°-57' N latitude, 31°-07'E longitude and altitude of about 6 meters above mean sea level, during the two growing seasons 2013/2014 and 2014/2015 to study the conjunction use of rainfall with irrigation on water productivity (WP) of faba bean. Irrigation treatments were; treatment A (rainfall i.e. given only the sowing irrigation and left to rainfall during the growing season (control), treatment B (given one irrigation following the sowing one), treatment C (given two irrigations after the sowing watering) and treatment D (given three irrigations following the sowing irrigation traditional irrigation) for faba bean cv. Giza 843 in a complete randomized design with three replications. The highest average values of water applied and consumptive use were 465 mm and 442 mm under treatment D in the two growing seasons, respectively. The contribution percentages of rainfall to water applied (Wa) were 36.4% and 55.8 % for treatments D and A, respectively. Given only sowing irrigation (rainfall treatment) produced about 70% from that received 3 irrigations following the sowing one. To get nearly maximum yield, only two irrigations after the planting watering could be applied with saving water 206.5 m3 fed-1 or 10.6%. On the other hand, the highest mean values of water productively (WP) and productivity of water applied (PWa) were recorded under treatment B in the two seasons and the values were 1.23 and 1.12 kg m3, respectively. For faba bean; seed yield, harvest index, plant height, 100-seed weight and No. pods/ plant gave the highest values under irrigation treatment D. Results also showed that all characteristics of faba bean were significantly affected by irrigation treatments in both growing seasons. [ABSTRACT FROM AUTHOR]