نتایج جستجو برای: keywords yield gap

تعداد نتایج: 2239183  

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

mosud iqbal1*, gkm mustafizur rahman2, gm panaullah1, m mizanur rahman2 and  jatish chandra biswas1 1 -soil science division, bangladesh rice research institute, gazipur-1701, bangladesh 2 -department of soil science, bangabandhu sheikh mujibur rahman agricultural university, salna, gazipur-1706, bangladesh *corresponding author email: [email protected], [email protected] received: 20 jun...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

abstract soil compaction is a main factor that reduces the cane yield in sugarcane fields, in southwest of iran, especially in ratoon cropping system. therefore, sub-soiling practices could alleviate adverse effects of compaction and increased yield. in according to this aim, a study was to evaluate the effect of  ratooning practice systems consisting of control (no subsoiler), two and four sha...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

aslan hashemi1, ali reza shokuhfar*1 1-department of agronomy, islamic azad university, ahvaz branch, ahvaz, iran author for correspondence * corresponding author email address: [email protected] received: 10 june 2015                                                                         accepted: 20 october 2015 abstract soil compaction is a main factor that reduces sugarcane yield...

Journal: :نشریه تحقیق در علوم کشاورزی 0

somayyeh bayat and ali sepehri * department of agronomy and plant breeding, faculty of agricultre, bu-ali sina university of hamedan, iran       *corresponding author: e-mail. [email protected], [email protected]   received: 31 may 2012  accepted: 8 october 2012   abstract growth and yield of maize is seriously restricted by water deficit. salicylic acid (sa) and paclobutrazol )pbz) indu...

Journal: :Community Literacy Journal 2010

Journal: :Critical Quarterly 2019

Journal: :Community Literacy Journal 2010

Journal: :Romanticism and Victorianism on the Net: 2007

2014
Thuy Ngoc Le Tok Wang Ling H. V. Jagadish Jiaheng Lu

It is well known that some XML elements correspond to objects (in the sense of object-orientation) and others do not. The question we consider in this paper is what benefits we can derive from paying attention to such object semantics, particularly for the problem of keyword queries. Keyword queries against XML data have been studied extensively in recent years, with several lowest-common-ances...

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