Effect of Ammonium Sulphate Fertilization on Themacronutrientcontent of Leavesat Zalacca (Salacca Sumatrana Becc)

RASMITA ADELINA, IRFAN SULIANSYAH, AUZAR SYARIEF, WARNITA WARNITA

Abstract


Abstract. Adelina, R., Suliansyah, I., Syafief, A., Warnita. 2018. .. Macronutrient Content on Leaves as Effect of Fertilization of Ammonium Sulfate and Potassium Chloride in Zalacca (Salacca sumatrana Becc.).Cultivation Technique of Salak Sidimpusn (Salacca sumatrana Becc.) needs to be improved in an effort to increase the production of salak which has continued to decline. Optimal production of salak Sidimpuan can be achieved if the factors internally and externally that support the growth and development of plants are well available for plants. There are three essential nutrients that determine the growth and development of plants, namely nitrogen, phosphorus and potassium. The application ofammonium sulfateand Potassium Chloridefertilization is one of the efforts to improve the cultivation technique of Salak Sidimpuan so that the production increase is achieved. This study aims to determine the ratio of Nitrogen, Phosphorus and Potassium content leaves of Salak Sidimpuan plants before and after fertilization. This research has been carried out in zalacca planting in Palopat Maria Village, Padangsidimpuan Hutaimbaru Subdistrict, Padangsidimpuan City with altitude of 450 m above sea level. This research starts from November 2017 to June 2018. The research method used is survey and experimental methods with purposive sampling technique in determining sample plants. Number of plants sample 60 plants. Data processing was carried out using the Independent Test sample t-test. Based on the results of this study, it was found that the comparison of nitrogen and phosforus content of leaves before and after fertilization-1 was not significantly differenthowever potassium content is significantly different , while the content of nitrogen, phosphorus and potassium content before and after the 2nd fertilization was significantly different. After application of ammonium sulfateand Potassium Chloride fertilization was carried out there was an increase in the average production of zalacca by 7.31 kg / plant from which before fertilization was only 4.03 kg / plant.

Keywords


Leaf Macro Nutrient,Production, Ammonium Sulfate, Potassium, Fertilization and Zalacca

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References


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