Volume 12, Number 44 (summer 2008)                   JCPP 2008, 12(44): 333-345 | Back to browse issues page


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Khodagholi M, Eskandari Z, Saeidfar M, Chavoshi S. Effect of Nitrogen and Phosphorous Fertilization on Range Species Production in Semirom Region. JCPP. 2008; 12 (44) :333-345
URL: http://jcpp.iut.ac.ir/article-1-890-en.html

Abstract:   (21198 Views)
The effect of nitrogen and phosphorous fertilization on range species production was studied using factor combination method as factorial with 3 blocks and 12 treatments. Nitrogen in 4 levels of 0،25،50 and 75 kg N/ha and phosphorus in 3 rates of 0،30 and 60 kg N/ha were used. Results indicated no significant difference between nitrogen rates in different growth forms of grass, bush and Eurotia ceratoides. Nitrogen in 75 kg/ha rates caused an increase of 40 and 106% in grass and Eurotia production, respectively. The maximum rate of production was seen in N50 with 100 percent increase compared to N0. Moreover, no significant difference in phosphor rates of leguminous and grass was observed. P 60 kg caused 500 and 56 % increase in leguminous and grass production, respectively.
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Type of Study: Research | Subject: General

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