نتایج جستجو برای: Land equivalent ratio (LER)

تعداد نتایج: 745364  

Journal: :desert 2012
kh jamshidi

in order to evaluate the yield, yield components and protein contents of two wheat cultivars (zarrin and gaspard) in sole cropping and intercropping systems,an experiment was conducted using replacement serious technique and different combinations of intercropping with high plant density and optimal of each cultivar. a factorial experiment was conducted in the form of randomized complete block ...

Journal: :journal of crop nutrition science 0
seyed nader mosavian department of agriculture, payame noor university, p.o. box: 19395-3697, tehran, iran. seyed alireza seyed mohammadi department of plant breeding, ahvaz branch, islamic azad university, ahvaz, iran.

this research aimed at investigating the effect of different levels of nitrogen and planting patterns on dry matter production and growth physiological indices in intercropping maize and sunflower. to do this a split plot experiment carried out based randomized complete block design with three replications in research field of shushtar islamic azad university. the main plot included three level...

Journal: :desert 0
k. jamshidi instructor, faculty of agricuture,zanjan university, zanjan, iran d. mazaheri professor, faculty of agricuture, university of tehran, karaj, iran j. saba assistant professor, faculty of agricuture, zanjan university, zanjan, iran

abstract to find out how maize and potato can grow and develop in an intercropping system rather than each grown alone in a sole cropping system the following factorial experiment was performend in the frame-work of a randomized complete block three replications in the experimental farm of the faculty of agriculture, zanjan university in year 2004. different potato to maize ratios of (1:0), i.e...

Journal: :international journal of advanced biological and biomedical research 2015
farzane jenani-oskooi safar nasrollahzadeh mohammad reza shakiba adel dabbagh mohamadi nasab

objective: for investigation of intercropping of maize and faba bean, an experiment was conducted in research station of agriculture faculty of tabriz university during growing season of 2013. methods: experimental design was randomized complete block design with three replications and seven treatment. treatments included one row intercropping (1:1), 4 strip intercropping pattern with ratios of...

Seyed Alireza Seyed Mohammadi Seyed Nader Mosavian,

This research aimed at investigating the effect of different levels of nitrogen and planting patterns on dry matter production and growth physiological indices in intercropping maize and sunflower. To do this a split plot experiment carried out based randomized complete block design with three replications in research field of Shushtar Islamic Azad University. The main plot included three level...

2002
Ellen McFadden

Intercropped corn (Zeu mays L.) and soybean [Glycine mux (L.) Merr.] may produce more total yield per hectare than either grown separately, ie., land equivalent ratio (LER) >l. Low N fertility, limited moisture, and weed competition have each been reported to result in high land equivalent ratios. Thus it was hypothesized that intercropping advantages were greater under stress conditions. The o...

Journal: Desert 2007
D. Mazaheri J. Saba K. Jamshidi,

Abstract To find out how maize and potato can grow and develop in an intercropping system rather than each grown alone in a sole cropping system the following factorial experiment was performend in the frame-work of a randomized complete block three replications in the experimental farm of the faculty of agriculture, Zanjan University in year 2004. Different potato to maize ratios of (1:0), i...

Journal: :تولید گیاهان زراعی 0
علی نخ زری مقدم عضو هیات علمی/ دانشگاه گنبد کاووس علی راحمی کاریزکی عضو هیات علمی دانشگاه گنبد کاووس

background and objectivesintercropping or simultaneous growing of two or more crops on the same piece of land has the potential of enhanced ecosystem productivity. in a cereal-legume intercropping system, an increase in cereal and a decrease in legume intercrop yield is reported. several indices such as land equivalent ratio (ler), relative crowding coefficient (k), competitive ratio (cr), aggr...

Journal: :به زراعی کشاورزی 0
مجتبی خزائی دانشجوی دکتری اکولوژی گیاهان زراعی، گروه زراعت، دانشکدة کشاورزی، دانشگاه ایلام، ایلام، ایران

to evaluate yield and productivity indices of maize and sugar beet intercropping with different planting ratios, a field experiment was conducted in randomized complete block design with three replication at hamedan province in nahavand, in 2013. the planting ratios were 100:0, 75:25, 50:50, 25:75 and 0:100 (maiz: sugar beet) using replacement method. results showed that intercropping had signi...

Journal: Desert 2011
Kh Jamshidi

In order to evaluate the yield, yield components and protein contents of two wheat cultivars (Zarrin and Gaspard) in sole cropping and intercropping systems,an experiment was conducted using replacement serious technique and different combinations of intercropping with high plant density and optimal of each cultivar. A factorial experiment was conducted in the form of randomized complete block ...

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