1.

Determination the comparative advantage of wheat, barley and rice production in Golestanprovince

Pages 1-12
noormohamad abyar; mohamadhosein razaghi; masoomeh asgari

2.

Comparison of different combines quantitative losses in rice harvesting with different humidity

Pages 13-28
sabalan alimohammadzadeh; hoseinali shamsabadi; mohsek azadbakht; mohamadhosein razaghi

3.

Evaluation ofyield and morphological characteristics of Golestanwhite local onion populations

Pages 29-40
fatemeh sheikh; mohamadtaghi feizbakhsh; M Nazeri; zohreh nazari

4.

The effect of different levels of Zeolite, urea fertilizer and Azospirillum bacteria on yield and yield components of bread wheat

Pages 41-54
Abdolrahman Dogonchi; Abbas Biabani; Hossain Sabori; Abdollatif Gholizadeh; Majid Mohamad Esmaeili; Azam Roumani; Mohamad Reza jafarzadeh

5.

Comparison of different tillage systems effect on forage silage yield of corn

Pages 55-66
Mohammad Hossein Haddadi; Masoud Mohseni

6.

Evaluation of yield and some agronomic traits of sunflower new hybrids in Mazandaranprovince

Pages 67-72
Seyyedabbasali Andarkhor

7.

Motahar, sugar beet multigermvariety resistant to rhizomania

Pages 73-84
Hasanali Shahbazi; Mohsen Aghaeezadeh; Seyed Yaghoub Sadeghian; Masoud Ahmadi; Jamshid Soltani; Alireza Ghaemi; Gholamreza Ashrafmansouri; Mohsen Bazrafshan; Mehdi Hasani; Keyvan Fotohi; Adel Pedram; Mohammadreza Orazizadeh; Mohammadreza Fathei; Farshid Matloubi; Saeed Vahedi; Saeed Sadeghzadeh-Hemayati; Babak Babaee; Mozhde Kakoeinezhad


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