Response of Immature Oil Palm Growth and CO2 emission on Intercropping System After Replanting

International Journal of Oil Palm Pub Date : 2019-05-30 DOI:10.35876/ijop.v2i2.30

H. Hariyadi, Purwanto Mohammad Yanuar Jarwadi, D. Rosa, M. Tri, Kurniawati Ani

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引用次数: 1

Abstract

One of the problems in smallholder oil palm plantations was the financing for replanting and loss of revenues during immature oil palm period. One alternative to the problem was the development of an adaptive plant system through intercropping crops planted among immature oil palm crops. The research was conducted in banjar seminai village, dayun subdistrict, siak regency, Riau Province on May to October 2017. The study used a factorial randomized block design with three replications. Annual crops treatment consists of corn, soybean, eggplant and chili. The results showed that there was positive response of oil palm height on intercropping systems. Corn intercropping plants increased the height of oil palm crops. The intercropping plants had no significant effect on the number of leaf midrib and the width of oil palm canopy. Monoculture oil palm crops without intercropping produced average emissions of 8.78 t CO2 ha-1yr-1. Oil palm intercrop with eggplant and soybean produces the highest CO2 emissions of 10.4 and 10.2 t CO2 ha-¹yr-¹, while oil palm in intercrop with chili produced the lowest CO2 emissions of 8.66 t CO2 ha-1yr-¹.

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间作系统对未成熟油棕生长和CO2排放的响应

小农油棕种植园面临的问题之一是在油棕未成熟时期重新种植的资金和收入损失。解决这一问题的一种方法是通过在未成熟的油棕作物之间种植间作作物来发展适应性植物系统。该研究于2017年5月至10月在廖内省锡亚克县大云街道班贾尔塞奈村进行。本研究采用三次重复的因子随机区组设计。一年生作物处理包括玉米、大豆、茄子和辣椒。结果表明，油棕高度对间作系统有正响应。玉米间作增加了油棕作物的高度。间作对油棕叶中脉数和冠层宽度无显著影响。不作间作的单一油棕作物每年平均排放量为8.78吨二氧化碳。油棕间作茄子和大豆的CO2排放量最高，分别为10.4和10.2 t CO2 ha-1年-1，而油棕间作辣椒的CO2排放量最低，为8.66 t CO2 ha-1年-1年-1。

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International Journal of Oil Palm

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