GROWTH CHARACTERISTICS OF ASYSTASIA GANGETICA IN VARIOUS LEVELS OF UREA FERTILIZER

Pastura Journal of Tropical Forage Science Pub Date : 2019-09-24 DOI:10.24843/pastura.2019.v09.i01.p06

I. W. Suarna, N. Suryani, K. Budiasa, I. M. S. Wijaya

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Abstract

Asystasia gangetica is a native plant that has the potential as a superior forage. The potential superiority of A. gangetica is not widely known by farmers in Bali. A study has been carried out with the aim to determine the growth and growth characteristics of A. gangetica as a forage. A completely randomized design with 5 levels of urea fertilizer treatment and 4 replications was carried out at Sesetan Denpasar research station. The results showed that the plant growth indicated by the variable number of branches, number of leaves, and shoot root ratio gave the highest yield on the level of urea fertilizer 50 kg ha-1. Variable characteristics of plant growth such as Leaf Area Ratio, Leaf stem ratio, and plant length, have the same tendency, although they do not show significant differences. Observing the growth and growth characteristics of plants, it can be concluded that the use of urea fertilizer as much as 50 kg ha-1 provides the best growth and application of urea fertilizer exceeding 50 kg ha-1 will adversely affect the growth of A. gangetica. Keywords: A. gangetica, urea, growth, growth characteristics

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不同氮肥水平下黑豆的生长特性

gangetica是一种具有优良牧草潜力的本地植物。巴厘岛的农民并不广泛了解gangetica的潜在优势。为了确定作为饲料的甘蔗渣的生长和生长特性进行了研究。本试验采用5个水平、4个重复的完全随机设计，在Sesetan Denpasar研究站进行。结果表明，以分枝数、叶片数和茎根比为指标的植株生长在尿素施用50 kg hm -1时产量最高。叶面积比、叶茎比、株长等植物生长的可变特征虽然没有表现出显著差异，但具有相同的趋势。通过对植株生长和生长特性的观察，可以得出氮肥用量为50 kg ha-1时生长最佳，超过50 kg ha-1的氮肥用量将对gangetica的生长产生不利影响。关键词:gangetica，尿素，生长，生长特性

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Pastura Journal of Tropical Forage Science

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审稿时长

26 weeks