Respon Pertumbuhan Anakan Belangeran Terhadap Penyiraman Air Rawa Gambut, Air Tandan Kosong Kelapa Sawit, Dan Kapur Dolomit

Abstract

The research aimed to analyze the growth response of belangeran (Shorea balangeran) seedlings on the water of palm oil empty bunches and dolomite lime. The research used a method of a completely randomized design, with the treatments: dolomite lime water, oil palm empty bunch water, and peat swamp water as a control. Based on the ANOVA, the treatment had a very significant effect on the increase of height and diameter of the seedlings. The dolomite lime water increased the seedling height of 9.434 cm, followed by oil palm empty bunches with height increase of 6.800 cm, and peat swamp water/control with the increase of 5.434 cm. Based on the LSD test, the height increase by dolomite lime water treatment was very significantly different from the height increase by oil palm empty bunches water and the height increase by peat swamp water. The water treatment of empty oil palm bunches increased diameter of 0.156 cm, followed by dolomite lime water with the increase of 0.147 cm, and peat swamp water with the increase of 0.128 cm. Based on the LSD test, the increase in diameter by the oil palm empty bunches was very significantly different from the diameter increase by the control, but was not significantly different from the increase diameter by the dolomite lime water. It is advisable to mix peat swamp water with dolomite lime with a concentration of 100 grams/200 liters or oil palm empty bunches with a concentration of 5 empty bunches/200 liters of water before using it to water the belangeran seedlings.

Possibility of bare-root seedling application for tropical forest and landscape restoration: A study on Gmelina arborea and Calophyllum inophyllum

“…Fertilization treatments have been reported to increase the growth of forest tree seedlings and have been widely practiced operationally, in both container-grown and bare-root nurseries [23]. Previous studies have reported the positive effect of NPK fertilization on the growth of forest tree seedlings, such as Mimusops elengi [7], Anthocephalus macrophyllus [8], and Combretocarpus rotundatus [9]. NPK fertilizers consist of three components that supply nitrogen, phosphorus, and potassium.…”

“…The nursery fertilization of tree seedlings has been demonstrated in numerous studies. The studies demonstrated that the availability of nutrients, particularly N, P, and K, is an important factor in tree seedling growth [7][8][9] and the production of healthy seedlings. For a plantation to thrive under stress, healthy seedlings are essential.…”

Accelerating the Height Increase of Mersawa (Anisoptera marginata) Seedlings through Inundation Height with and without Water Treatments

“…Knowing the optimum height growth of the mersawa seedlings will make it easier to find locations for planting the seedlings in peat swamp land based on inundation height. Furthermore, according to Achmad and Bakri (2021), the pH of the peat swamp water is very acidic (pH 3.5), and therefore, it needs to increase.…”

“…To increase pH of peat swamp water, Achmad and Bakri (2021) have proven that adding oil palm empty fruit bunches (OPEFB) and dolomite lime was able to increase the pH of the peat swamp water and increase the growth of belangeran (Shorea balangeran) seedlings by watering peat swamp water mixed with OPEFB, and dolomite on the seedlings. In addition, Achmad and Bakri (2022) found that the growth of Kalimantan swamp jelutung (Dyera polyphylla) seedlings were susceptible to inundation height.…”