Main Article Content
Abstract
Extending the planting area to a less-fertile soil, such as Ultisols, become inevitable choice to increase the national chili pepper production in Indonesia as this types of soil is the largest part of dry land of Indonesia, about 29.7% or around 51 million ha. However, efforts to increase its productivity by providing sufficient fertilizers application is most frequently inefficient because in the conventional fertilizer applications, broadcasted fertilizer on the soil bed, are not readily available for the plant as their solubility is limited under the plastic mulch and still in the form of granular until the end of planting season. Fertigation, therefore, maybe the answer for this problem. The objective of this study was to determine the best NPK fertigation method on four chili pepper hybrids. The experiment was conducted in a randomized complete block design with three replication, and the treatments were arranged in a split plot design. As the main plots were NPK fertigation intensity, i.e. 100%, 75%, 50%, 25% and 0% fertigation with the remnant fertilizers were circularly broadcasted surrounding the plant. As the subplots were chili pepper hybrids, i.e. ‘Maxima’, H39, H14, and ‘UNIB CHR17’. The results showed that there was no interaction effect of fertigation intensity indicated that all hybrid genotypes showed similar pattern of responses. The H39 hybrid had better vegetative growth compared to other hybrids in term of plant height, dichotomous height, stem diameter, number of branches, plant fresh-weight. Whereas the hybrid cultivar ‘Maxima’ showed the highest yield followed by H14 and cultivar ‘UNIB CHR17’. The 100% fertigation was the best method of NPK fertilizer application for chili pepper in Ultisols.
keywowrd: fertigation, chili pepper, fertilizer application, acidic soil
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Copyright (c) 2020 Catur Herison, Rustikawati Rustikawati, Hasanudin Hasanudin, Usman K.J. Suharjo, Merakati Handajaningsih, Nursalim Nursalim

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References
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- Benchasri, S., and P. Pruthikanee. 2018. Genetic variability for yield and yield components of Thai chilli (Capsicum spp.) landraces under inorganic and organic agricultural systems. Aust. J. Crop Sci. 12(1): 126.
- Chauhdary, J.N., A. Bakhsh, M. Arshad, and M. Maqsood. 2017. Effect of different irrigation and fertigation strategies on corn production under drip irrigation. Pak J Agri Sci 54(4): 855–863.
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- Kachwaya, D.S., and J.S. Chandel. 2015. Effect of fertigation on growth, yield, fruit quality and leaf nutrients content of strawberry (Fragaria ananassa cv Chandler). Indian J Agric Sci 85: 1319–1323.
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- Reddy, A.R.G., D. Santosh, and K. Tiwari. 2017. Effect of drip irrigation and fertigation on growth, development and yield of vegetables and fruits. Int J Curr Microbiol Appl Sci 6(2): 1471–1483.
- Rommahdi, M., A. Soegianto, and N. Basuki. 2015. Keragaman Fenotipik Generasi F2 Empat Cabai Hibrida pada Lahan Organik (Capsicum annuum L.). J. Produksi Tanam. 3(4).
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- Simonne, E.H., A. Gazula, M. Ozores-Hampton, J. DeValerio, and R.C. Hochmuth. 2017. Localized Application of Fertilizers in Vegetable Crop Production. In: Tei, F., Nicola, S., and Benincasa, P., editors, Advances in Research on Fertilization Management of Vegetable Crops. Springer International Publishing, Cham. p. 149–181
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- Ughade, S.R., and U.V. Mahadkar. 2015. Effect of different planting density, irrigation and fertigation levels on growth and yield of brinjal (Solanum melongena l.). The Bioscan 10(3): 1205–1211.
References
Alibasyah, M.R. 2016. Perubahan beberapa sifat fisika dan kimia ultisol akibat pemberian pupuk kompos dan kapur dolomit pada lahan berteras. J. Floratek 11(1): 75–87.
Arif, A.B., S. Sujiprihati, and M. Syukur. 2013. Pendugaan heterosis dan heterobeltiosis pada enam genotipe cabai menggunakan analisis silang dialel penuh. J. Hortik. 22(2): 103–110.
Balittanah. 2005. Analisis kimia tanah, tanaman, air dan pupuk. Badan Penelit. Dan Pengemb. Pertan. Dep. Pertan. Bogor Indones. 1: 44–45.
Benchasri, S., and P. Pruthikanee. 2018. Genetic variability for yield and yield components of Thai chilli (Capsicum spp.) landraces under inorganic and organic agricultural systems. Aust. J. Crop Sci. 12(1): 126.
Chauhdary, J.N., A. Bakhsh, M. Arshad, and M. Maqsood. 2017. Effect of different irrigation and fertigation strategies on corn production under drip irrigation. Pak J Agri Sci 54(4): 855–863.
Chowdhury, M.S.N., F. Hoque, H. Mehraj, and A.J. Uddin. 2015. Vegetative growth and yield performance of four chilli (Capsicum frutescens) cultivars. differences 1(2): 3.
Jayakumar, M., U. Surendran, and P. Manickasundaram. 2014. Drip fertigation effects on yield, nutrient uptake and soil fertility of Bt Cotton in semi arid tropics. Int. J. Plant Prod. 8(3): 375–390.
Kachwaya, D.S., and J.S. Chandel. 2015. Effect of fertigation on growth, yield, fruit quality and leaf nutrients content of strawberry (Fragaria ananassa cv Chandler). Indian J Agric Sci 85: 1319–1323.
Latifah, E., H.A. Dewi, P.B. Daroini, E. Korlina, A. Hasyim, et al. 2019. Impact of starter solution technology on the use of fertilizers in production of chilli (Capsicum frutescens L.). IOP Conference Series: Earth and Environmental Science. IOP Publishing. p. 012063
Mali, S.S., B.K. Jha, S.K. Naik, A.K. Singh, and A. Kumar. 2016. Effect of fertigation pattern and planting geometry on growth, yield and water productivity of tomato (Solanum lycopersicum). Indian J. Agric. Sci. 86(9): 1208–13.
Ngosong, C., B.N. Nkiambuo, C.B. Tanyi, R.N. Nkongho, J.N. Okolle, et al. 2018. Comparative Study of Soil and Foliar NPK Fertilizers on the Yield and Income of Cucumber (Cucumis sativus L.). Asian J. Adv. Agric. Res.: 1–9.
Nicola, S., and P. Sambo. 2015. Vegetables toward Fertigation. 5th ISHS Symp. Ecol. Sound Fertil. Strateg. Field Veg. Prod. 18?22 May 2015 ?Beijing.
Nilahayati, N., and L.A.P. Putri. 2015. Evaluasi keragaman karakter fenotipe beberapa varietas kedelai (Glycine max L.) di Daerah Aceh Utara. J. Floratek 10(1): 36–45.
Prasetyo, B.H., and D.A. Suriadikarta. 2006. Karakteristik, potensi, dan teknologi pengelolaan tanah Ultisol untuk pengembangan pertanian lahan kering di Indonesia. J. Litbang Pertan. 25(2): 39–46.
Reddy, A.R.G., D. Santosh, and K. Tiwari. 2017. Effect of drip irrigation and fertigation on growth, development and yield of vegetables and fruits. Int J Curr Microbiol Appl Sci 6(2): 1471–1483.
Rommahdi, M., A. Soegianto, and N. Basuki. 2015. Keragaman Fenotipik Generasi F2 Empat Cabai Hibrida pada Lahan Organik (Capsicum annuum L.). J. Produksi Tanam. 3(4).
Shweta, B., D. Satish, D. Jagadeesha, C.N. Hanachinmani, and A.M. Dileepkumar. 2018. Genetic correlation and path coefficient analysis in chilli (Capsicum annum L.) genotypes for growth and yield contributing traits. J. Pharmacogn. Phytochem. 7(2): 1312–1315.
Simonne, E.H., A. Gazula, M. Ozores-Hampton, J. DeValerio, and R.C. Hochmuth. 2017. Localized Application of Fertilizers in Vegetable Crop Production. In: Tei, F., Nicola, S., and Benincasa, P., editors, Advances in Research on Fertilization Management of Vegetable Crops. Springer International Publishing, Cham. p. 149–181
Strik, B.C., A. Vance, D.R. Bryla, and D.M. Sullivan. 2017. Organic production systems in northern highbush blueberry: I. Impact of planting method, cultivar, fertilizer, and mulch on yield and fruit quality from planting through maturity. HortScience 52(9): 1201–1213.
Ughade, S.R., and U.V. Mahadkar. 2015. Effect of different planting density, irrigation and fertigation levels on growth and yield of brinjal (Solanum melongena l.). The Bioscan 10(3): 1205–1211.