THE INTERACTIVE EFFECT OF ORGANIC FERTILIZER AND WATER STRESS ON SOME GROWTH PROPERTIES AND YIELD OF POTATO PLANTS.( Solanum tuberosum . L) . | ||
| Diyala Agricultural Sciences Journal | ||
| Article 1, Volume 6, Issue 2, December 2014, Pages 213-224 | ||
| Authors | ||
| Bassim. R. AL-Bandawy; Hameed. K.AL-Salmani | ||
| Abstract | ||
| Field experiment was conducted during spring season 2012 in the Horticulture Department field- College of Agriculture - University of Baghdad in a silty clay loam soil , to study the effect of organic fertilizer (cow , sheep , poultry) manures mixed at a percent of (1:1:1:) after decomposition of these fertilizers .The added levels at 0 , 5 and 10 % (M0,M1 and M2 respectively of furrow size , and water stresses which were 550,450 and 350 mm (S1,S2 and S3 ) respectively on some vegetative growth parameters and yield 0f potato .Randomized Complete Block Design was used at three replicates .Potato tubers were sown on 18 December 2012 . Results showed that Two levels of organic fertilizers (5 and 10 %) increased all plant parameters significantly (plant high ,no of tillers per plant , dry weight yield ,leaf area and tuber yield ) . While water stress at levels of 450 and 350 mm decreased all above parameters significantly. A best treatment which gave height value of plant parameters were the interaction between M2*S1 which gave 87.8 cm, 4.3 tiller. Plant -1 , 5.690t.ha-1 , 8397 cm2 and 40.35 t.ha-1 respectively. | ||
| Keywords | ||
| organic matter; Water stress; Chemical physical properties; Potato | ||
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