Effects of ameliorant application on the growth and yield of rice plants (Oryza sativa L.)

Ilmu Pertanian (Agricultural Science) Pub Date : 2023-08-28 DOI:10.22146/ipas.82434

Arini Alfi Farhati, Dewi Firnia, A. Laila

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Abstract

An ameliorant is a chemical that can be used to improve soil fertility. The improving agents include dolomite and steel slag. Steel slag is a by-product of the steel industry containing CaCO3, SiO2, CaSiO3, and MgO, which can be used to improve the growth and yield of rice plants. Dolomite, on the other hand, is a limestone rock containing MgO and CaO, which is useful in agricultural soils. This study aimed to determine the types and doses of ameliorants affecting the growth and yield of rice plants (Oryza sativa L.). The research was carried out at Sukadana Village, Ciomas Serang-Banten District. A non-factorial Group Randomized Design with seven treatments was employed in this investigation. The treatments include P0 = No treatment (control), P1 = 2 t/ha of dolomite, P2 = 2 t/ha of dolomite + 2.5 t/ha of steel slag, P3 = 1.5 t/ha of steel slag, P4 = 2.5 t/ha of steel slag, P5 = 5 t/ha of steel slag, and P6 = 7.5 t/ha of steel slag. Observation was made on steel slag characterization, plant height, the total number of tillers, the weight of 1000 grains, the amount of grain per clump, and the weight of dry-milled grain. The results showed that applying dolomite at 2 t/ha and steel slag at 2.5 t/ha could increase the weight of 1000 grains of rice, and applying steel slag at 1.5 t/ha could enhance the amount of grain per clump.

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改良剂对水稻生长和产量的影响

改良剂是一种可以用来提高土壤肥力的化学物质。改性剂包括白云石和钢渣。钢渣是钢铁工业的副产品，含有CaCO3、SiO2、CaSiO3和MgO，可用于提高水稻的生长和产量。另一方面，白云石是一种含有MgO和CaO的石灰岩，在农业土壤中很有用。本研究旨在确定影响水稻生长和产量的改良剂的类型和剂量。该研究在Ciomas Serang Banten区Sukadana村进行。本研究采用七种治疗的非析因分组随机设计。处理包括P0=不处理（对照），P1=2 t/ha白云石，P2=2 t/ha白云岩+2.5 t/ha钢渣，P3=1.5 t/ha钢渣、P4=2.5 t/ha矿渣、P5=5 t/ha钢渣和P6=7.5 t/ha炉渣。对钢渣特性、株高、分蘖总数、1000粒重、单株粒数和干磨粒重进行了观察。结果表明，施用白云岩2 t/ha和钢渣2.5 t/ha可增加1000粒水稻的重量，施用钢渣1.5 t/ha可提高单株粒数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Ilmu Pertanian (Agricultural Science)

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审稿时长

10 weeks