Pengaruh Pengayaan Oksigen dan Kalsium terhadap Pertumbuhan Akar dan Hasil Selada Keriting (&lt;em&gt;Lactuca sativa&lt;/em&gt; L.) pada Hidroponik Rakit Apung

Krisna, Brian; Putra, Eka Eka Tarwaca Susila; Rogomulyo, Rohlan; Kastono, Dody

doi:10.22146/veg.30900

Cited by 11 publications

(13 citation statements)

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“…This mineral deposition symptom is also noted by Roosta et al (2016) when nutrient solution is aerated. However, this result is different from that reported by Krisna et al (2017) as calcium absorption in lettuce is higher in an aerated floating system than in non-aerated system. These differences suggested that there is still a room for further research and discussion.…”

Section: Some Chemical Contentscontrasting

confidence: 99%

“…However, evidently the high difference of DO did not make a difference to the growth and yield of green lettuce. Goto et al (1996) reported the same results, that DO between 25-200% (of saturation) had no significant effect on yields of green lettuce, although this finding was contrast to the results reported by (Krisnawati, 2015) and (Krisna et al, 2017). This was presumably because plant roots mainly obtained oxygen from the air directly (above the nutrient solution), not just from dissolved oxygen in the nutrient solution.…”

Section: Plant Growthmentioning

confidence: 66%

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PERFORMANCE OF DRY HYDROPONIC SYSTEM ON CULTIVATION OF GREEN LETTUCE (Lactuca sativa L.)

Triyono

Laksono

Tusi

2021

JRPB

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Dry hydroponic is an emerging system and gaining popularity among some hydroponic businesses, yet investigation on its performance has not been reported. Purpose of this research is to evaluate and compare performance of dry hydroponic system to floating and wick systems on green leafy lettuce cultivation. The experiment used Completely Randomized Design (CRD) with factorial arrangement. Two factors, hydroponic systems and aerator usages, were implemented. The hydroponic systems included Dry, Wick and Floating systems, while the use of aerator were with and without aerators. All treatment combinations consisted of 3 replicates. Parameters to be observed were nutrient solution parameters (pH, temperature, dissolved oxygen, water consumption), plant parameters (height, stem diameter, leaf width, number of leaves, leaf thickness, and canopy area, shoot fresh weight, water content, some chemical contents). Data sets were analyzed using analysis of variance followed by a least significant Difference (LSD) test at level of 5%. Results showed that the interaction between the hydroponic system and the use of aerators were not significantly different for all parameters observed. The hydroponic systems were not significantly different too. The use of aerator was significant for the nutrient solution parameters (pH and Dissolved Oxygen), water content, and phosphorus contents of leaves. In conclusion, Dry Hydroponic System has the same performances as compared to floating and wick systems.

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Section: Some Chemical Contentscontrasting

confidence: 99%

Section: Plant Growthmentioning

confidence: 66%

PERFORMANCE OF DRY HYDROPONIC SYSTEM ON CULTIVATION OF GREEN LETTUCE (Lactuca sativa L.)

Triyono

Laksono

Tusi

2021

JRPB

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“…Namun, suhu (Tabel 1) terlihat masih cukup tinggi dan kelembapan masih cukup rendah. Selada tumbuh optimal pada suhu udara 15-25 o C (Setyaningrum dan Saparinto, 2011) dengan kelembaban optimal yaitu 80-90 % (Krisna et al, 2017). Kebutuhan cahaya tanaman selada antara 200-400 footcandle (2152,78-4305,56 lux) (Setyaningrum dan Saparinto, 2011).…”

Section: Hasil Dan Pembahasan Iklim Mikrounclassified

“…Tinggi tanaman selada pada perlakuan tanpa naungan yaitu 23,59 cm nyata meningkat Tabel 1. Hasil pengukuran unsur-unsur iklim mikro tingkat naungan (Krisna et al, 2017).…”

Section: Tinggi Tanamanunclassified

“…Suhu yang tinggi berpengaruh terhadap peningkatan respirasi dan transpirasi sehingga hasil fotosintesis digunakan aktivitas tersebut dan hasil fotosintat yang disimpan menjadi berkurang sehingga pertumbuhan tanaman terhambat. Suhu dan kelembapan yang tidak optimum berpengaruh pada peningkatan transpirasi tanaman, sehingga menghambat pertumbuhan dan perkembangan selada (Krisna, 2017).…”

Section: Jumlah Daununclassified

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Pertumbuhan dan produksi dua varietas selada (Lactuca sativa l.) pada berbagai tingkat naungan dengan metode hidroponik

2019

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The study aims to determine the growth and production of two varieties of lettuce at various levels of shade by hydroponic methods. This research was done by using serie experiment by Randomized Block Design with 3 bloks. Treatment of varieties with 3 series groups on each shade treatment. The shade treatment consisted of four shaded treatment levels (N0), 50% Shade (N1), 60% Shade (N2), and 70% Shade (N3). every shade was tested 2 varieties of lettuce Romain Romain green varieties (V1) and Romain lettuce varieties Tiberius (V2). Parameters observed for plant height, number of leaves, leaf area, fresh weight of plant, and dry weight of plant. The results showed that shade levels increased plant height in 50% and 60% shade, but decreased leaf number, leaf area, wet weight, and dry weight as shade level increased. Tiberius varieties produce higher plant height, leaf number, and wet weight significantly higher than Green Romain varieties. Keywords :Lettuce, shades, varieties, hydroponic ABSTRAK Penelitian bertujuan untuk mengkaji pertumbuhan dan produksi dua varietas selada pada berbagai tingkat naungan dengan metode hidroponik. Penelitian ini dilakukan percobaan seri dengan Rancangan Acak Kelompok (RAK) dengan 3 kelompok. Perlakuan varietas dengan 3 kelompok seri pada setiap perlakuan naungan. Perlakuan naungan terdiri dari empat taraf perlakuan yaitu tanpa naungan (N0), Naungan 50% (N1), Naungan 60% (N2), dan Naungan 70% (N3). Pada setiap naungan dicobakan 2 varietas selada yaitu selada Romain varietas Green Romain (V1) dan selada Romain varietas Tiberius (V2). Parameter yang diamati tinggi tanaman, jumlah daun, luas daun, berat segar tanaman, dan berat kering tanaman. Hasil penelitian menunjukkan bahwa tingkat naungan menaikkan tinggi tanaman pada naungan 50% dan 60%, tetapi menurunkan jumlah daun, luas daun, berat basah, dan berat kering seiring dengan meningkatnya tingkat naungan. Varietas Tiberius menghasilkan tinggi tanaman, jumlah daun, dan berat basah lebih tinggi secara signifikan dibandingkan varietas Green Romain. Kata kunci : Selada, naungan, varietas, hidroponik

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Nutrition Control and Moisture Control in Hydroponic Plants Based on IoT (Internet of Things)

Novianty,

Sholihah,

Puji Mumpuni

2023

E3S Web Conf.

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Hydroponics is a method of growing plants using nutrient solutions. The advantage of hydroponics is that soil can be replaced with a nutrient solution because it can produce its advantages, such as saving land, planting in any area without the need for soil, and producing optimal quality compared to using soil. Technology development is growing rapidly and has created a lot of IoT (Internet of Things) technology. IoT technology can be implemented in hydroponic methods to produce more accurate and well-managed hydroponic plants so that plants are not treated manually. This method comprises six stages: analysis, planning, implementation, testing, and conclusion. Nutrient control in IoT-based hydroponic plants has been widely researched. Many researchers use different work systems and add new features to improve the quality and quantity of hydroponic plant production. Data control is monitored using an application called HyGrow. In obtaining data and information, the author uses observation and qualitative methods by observing and digging up information directly on the hydroponic system in the RH Farm environment. From the test results obtained, this system has successfully controlled and monitored the acidity, temperature conditions, and humidity in hydroponic plants. The percent accuracy of Nutrition and humidity sensors is 98%.

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Pengaruh Pengayaan Oksigen dan Kalsium terhadap Pertumbuhan Akar dan Hasil Selada Keriting (<em>Lactuca sativa</em> L.) pada Hidroponik Rakit Apung

Cited by 11 publications

References 0 publications

PERFORMANCE OF DRY HYDROPONIC SYSTEM ON CULTIVATION OF GREEN LETTUCE (Lactuca sativa L.)

PERFORMANCE OF DRY HYDROPONIC SYSTEM ON CULTIVATION OF GREEN LETTUCE (Lactuca sativa L.)

Pertumbuhan dan produksi dua varietas selada (Lactuca sativa l.) pada berbagai tingkat naungan dengan metode hidroponik

Nutrition Control and Moisture Control in Hydroponic Plants Based on IoT (Internet of Things)

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