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Estimation of Palm Bunch Production Based on Water Supply Analysis with Oil Palm Dissection Technique

Authors

  • Sukarman Sukarman 1R&D Department, Wilmar International Plantation, Region Kalimantan Tengah, Indonesia 2Magister Management Perkebunan, Fakultas Pertanian, Institute Pertanian STIPER (INSTIPER), Yogyakarta, Indonesia 3 Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Jawa Tengah, Indonesia
  • Herry Wirianata 1R&D Department, Wilmar International Plantation, Region Kalimantan Tengah, Indonesia 2Magister Management Perkebunan, Fakultas Pertanian, Institute Pertanian STIPER (INSTIPER), Yogyakarta, Indonesia 3 Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Jawa Tengah, Indonesia
  • Kadarwati Budiharjo 1R&D Department, Wilmar International Plantation, Region Kalimantan Tengah, Indonesia 2Magister Management Perkebunan, Fakultas Pertanian, Institute Pertanian STIPER (INSTIPER), Yogyakarta, Indonesia 3 Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Jawa Tengah, Indonesia
  • Septa Primananda 1R&D Department, Wilmar International Plantation, Region Kalimantan Tengah, Indonesia 2Magister Management Perkebunan, Fakultas Pertanian, Institute Pertanian STIPER (INSTIPER), Yogyakarta, Indonesia 3 Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Jawa Tengah, Indonesia
  • Susiana Purwantisari 1R&D Department, Wilmar International Plantation, Region Kalimantan Tengah, Indonesia 2Magister Management Perkebunan, Fakultas Pertanian, Institute Pertanian STIPER (INSTIPER), Yogyakarta, Indonesia 3 Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro, Jawa Tengah, Indonesia

DOI:

https://doi.org/10.24843/JBETA.2021.v09.i02.p16

Keywords:

sex ratio, rainfall, a rainy day, water deficit, female flower

Abstract

When the genetic, soil and cultivation technique are not limiting factors, the fluctuation of yield production is
affected by the climate or environmental factors. The objective of this study is to observe the water availability
effect (i.e., water deficit, rainfall, and rainy days) on the sex ratio, including the models of oil palm yield
production. The study was carried out from November 2016 to October 2017 in the Wilmar International
Plantation Region Central Kalimantan. Analysis using the multiple regression and correlation tests, including
the classical assumption test (i.e., normality, multi-collinearity, and heteroscedasticity tests) for the statistical
analysis in this study. The results show that the rainfall and rainy day significantly affect the sex ratio
development during 23 months before harvest (MBH) when the water deficit significantly impacts the sex ratio
at 24 MBH. While the estimation of distribution monthly production, budget production, and actual production
was not significantly affected. Therefore, it can be used to estimate the monthly distribution production of oil
palm accurately.

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Published

2021-09-29

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How to Cite

Sukarman, S., Wirianata, H., Budiharjo, K., Primananda, S., & Purwantisari, S. (2021). Estimation of Palm Bunch Production Based on Water Supply Analysis with Oil Palm Dissection Technique. Jurnal BETA (Biosistem Dan Teknik Pertanian), 9(2), 291–299. https://doi.org/10.24843/JBETA.2021.v09.i02.p16

Issue

Vol. 9 No. 2 (2021): September

Section

Articles

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