EFFECTOF ORGANIC  FERTILIZER& SPRYWITH  HUMIC  ACID  ON SOME SOIL CHARACTERISTICS&YIELD  OF POTATO (Solanumtubersoum L.).

	EFFECTOF ORGANIC FERTILIZER& SPRYWITH HUMIC ACID ON SOME SOIL CHARACTERISTICS&YIELD OF POTATO (Solanumtubersoum L.).
Euphrates Journal of Agriculture Science
Article 1, Volume 7, Issue 3, 2015, Pages 36-50
Abstract
A field experiment was carried out during the autumn season of 2014/2015, in the Organic fertilizer and Mashroom Planting preparation project at Alhusainiya township/Karbala province in clay loam soil to study the effect of four levels of organic fertilizer (date palm leaves compost) which were 0 , 20 , 40 , and 60 ton h‾¹ and threecentrationcon of humic acid which 0 , 1.5 , and 3 ml L‾¹ and their interaction on some soil characteristicsand yieldqualtity characteristics of potato plant (SolanumtuberosumL.) Alla´aalddinvariety.The experiment was included 12 treatment using RCBD design with 3 replications and the treatmentts were distributed randomzy on the experimentes units , and use LSD test to compare between means under 0.05 level .The results has summarized the study, including the following:Asignificant differences between organic fertilizerlevels on the effect on some soil caharcteristics after planting , in to reducingthe bulk density means and increase available nitrogen , phosphorus , and potassium in Soil.The 60 ton h‾¹ was suporiorsygnificant when gave lower mean values of bluk density reached to 1.02 mecagram m‾3 ,and increase the means of NPK when reached to 144.86 mg kg‾¹ , 38.33 mg kg‾¹ , and 170.40 mg kg‾¹ respectively , while humic acid was suporiorat the level 3 ml L‾¹ when gave lower mean value of bluk density reached 1.13 mecagram m-3 ,and gave higher values for then means of NPK reached to 130.72 mg kg‾¹ , 30.53 mg kg‾¹ , and 142.20 mg kg‾¹ respectively .The interaction between treatments showed that treatment C4H3suporior for gavinglowest mean value of bluck density and highest mean to the soil content of NPK compare to the control treat ment.Significant differences was found between organic fertilizer levels for the effect on yield qualtitycharaeristics such as number , weight of tubers , and marketing yieldquantity of tubers , the 60 ton h‾¹ gave higher mean values for the characteristics above when reached to 6.43 tuber. plant‾¹ , 96.86 gmand 624.86 gm. plant‾¹ respectively .In addition,level 3 ml L‾¹ of humic acid was significatly gave higher means for the thesome characteristics above when reached to 6.35 tuber. plant‾¹ , 89.75 gm , 572.45 gm. plant‾¹ respectively, However, the interaction treatment s showed that C4H3 was superior forgaving highest means for the yeildmarkketing characteristics above.

Statistics Article View: 45 PDF Download: 13