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Paper Information

Journal:   THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)   September 2004 , Volume 27 , Number 1; Page(s) 169 To 172.
 
Paper: 

INTERCROPPING OF POTATO AND FORAGE CORN IN AUTUMN PLANTING

 
 
Author(s):  DARABI A.A.*
 
* 
 
Abstract: 
In order to decrease temperature by shading of corn on potato rows for potato planting, an experiment was conducted in early and middle September for two years (1999-2001) at Behbahaha Agriculture Research Station. A split-plot experiment in randomized compelet block design with three replications was used. In this experiment, potato and corn were grown as pure stands and intercrops through strip intercropping method. Plant date, considered as main factor, had three levels: 6,16 and 26 September and planting system as subfactor had five levels: pure stand of potato cultivation.in four rows, intercropping of three rows of potato and one row of corn, intercropping of two rows of potato and two rows of corn. ntercropping of one row of potato andthreerows of cornandpure standof corncultivationin four rows. Corn "hybrid 704" was planted in early August. Ajax and concord potato cnivars were planted in the first and second year respectively.Corn was harvested in pasty development stage in early October. In the first and second year, ITost occurred in Nov. 30 and Jan. 25 respectively and all potato foliages were killed. The obtained results showed that yield of corn in intercropping decreased as compared with pure stand. Potato yield was very low in both of purestand and intercrop in two years of experiment. Corn shading on potato rows didnot affect germination percent and potato yield, so intercropping of potato and corn in autumn planting is not advisable in Khouzestan province.
 
Keyword(s): CORN, POTATO, AUTUMN PLANTING AND INTERCROPPING.
 
References: 
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