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Journal : Journal of Applied Plant Technology

Efektivitas Rendaman Bawang Merah (Allium cepa) dan Nutrisi Terhadap Hasil Hidroponik Pakcoy (Brassica rapa) : The Effectiveness of Shallot (Allium cepa) and Nutrients Soak on Pakcoy (Brassica rapa) Hydroponic Results Jajuk Herawati; Indarwati Indarwati; Raffiuddin Helmi
Journal of Applied Plant Technology Vol 1 No 1 (2022): Journal of Applied Plant Technology
Publisher : Agrotechnology Study Program, Faculty of Agriculture, Wijaya Kusuma Surabaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (205.041 KB) | DOI: 10.30742/japt.v1i1.30

Abstract

Hydroponic cultivation systems are increasingly popular among urban communities with not large land. This cultivation can provide benefits and effectiveness for those who carry it out. The wick system is one of the simple hydroponics methods that is easy to do, because it is a passive hydroponic system. This study aims to find out how the effect of shallot solution to the growth and production of bok coy plants on hydroponic cultivation of the wick system. Hydroponics of the wick system is a hydroponic method of the axis system, which is the simplest because it uses the principle of water capillarity. Distribution of nutrient solution towards root using axis intermediaries. This study used a Randomized Group Design (RDG) with 12 experimental units and the Least Significance Different (LSD) with an error rate of 5%. The concentration of shallot solution added is P0 (0%), P1(20%), and P2 (30%). The results showed that the treatment of AB mix nutrition as a hydroponic medium has a tendency to have a better effect on the growth parameters and yield of Pakcoy plants. AB mix treatment had a significant effect on production parameters, namely total wet weight, upper wet weight, root wet weight, and dry weight. Provision of shallot soak at concentrations of 20% and 30% added to hydroponic media with AB mix nutrition has not been able to improve the growth parameters and yield of Pakcoy.
Uji Efektivitas Herbisida Pasca Tumbuh Pada Tanaman Kedelai (Glycine max. L): Post-Growing Herbicide Effectiveness Test on Soybean Plants (Glycine max. L) Indarwati Indarwati; Mochamad Thohiron; M. Fajri Triyono
Journal of Applied Plant Technology Vol 1 No 1 (2022): Journal of Applied Plant Technology
Publisher : Agrotechnology Study Program, Faculty of Agriculture, Wijaya Kusuma Surabaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.069 KB) | DOI: 10.30742/japt.v1i1.32

Abstract

The purpose of this study was to determine the effect of weed control with herbicides on soybean growth and yield. This research was conducted in the Mojosari Agricultural Experimental Garden, Mojokerto, March - July 2021. The method used was a Randomized Block Design (RAK) with 3 treatments and 4 replications. The treatments were (P0) mechanical weeding (Control); (P1) Spraying herbicide 1X; (P2) spraying. 2X herbicide. selective herbicide spraying (Agil 100 ec) with the active ingredient propaquzafop 100 ec C-12 was carried out according to the treatment. Herbicide application had a better effect on soybean yields than control (mechanical weeding). However, spraying herbicides once had the same good effect as (P2) spraying 2X. The soybean plants tested were able to produce dry pods weight of 36.85 -39.00 g/plant, and dry weight 100 seeds 18,48-20,90 g.
Pengaruh Komposisi Media Tanam Organik Terhadap Hasil Tanaman Sawi (Brassica juncea L.): The Effect of Organic Planting Media Composition on the Yield of Mustard Plants (Brassica juncea L. ) Jajuk Herawati; Indarwati Indarwati; Bernandi Aprila Christiantoro
Journal of Applied Plant Technology Vol 2 No 1 (2023): Journal of Applied Plant Technology (JAPT)
Publisher : Agrotechnology Study Program, Faculty of Agriculture, Wijaya Kusuma Surabaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (181.535 KB) | DOI: 10.30742/japt.v2i1.72

Abstract

The purpose of the study was for various compositions of growing media on the yield of mustard plants (Brassica juncea L.). The method used in this study was a complete randomized design (CRD) with 6 treatments and each treatment was repeated 5 times. The treatment made is K0: Soil Media only; K1: Soil Media + Compost (2 : 1); K2 : Soil Media + Compost + Goat Manure (2 : 1 : 1); K3: Soil Media + Compost + Cocopeat (2 : 1 : 1); K4: Soil Media + Compost + Cow Manure (2 : 1 : 1); K5: Soil Media + Compost + Chicken manure (2 : 1 : 1). The results showed that the treatment of the composition of the planting media tried had the same effect on all observation parameters: plant length, number of leaves, and wet weight of mustard plants. With various media composition treatments tried, mustard plants are able to produce wet weight of mustard plants weighing 25.32 g – 118.5 g / polybag.
Potensi Alellopati Ekstrak Gulma Alang Alang Sebagai Bioherbisida: Allelopathic Potential of Reeds Weed Extract as a Bioherbicide Indarwati Indarwati; Arsy Qova Andi Jili; Achmadi Susilo; Dwi Retna Suryaningsih
Journal of Applied Plant Technology Vol 2 No 1 (2023): Journal of Applied Plant Technology (JAPT)
Publisher : Agrotechnology Study Program, Faculty of Agriculture, Wijaya Kusuma Surabaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.975 KB) | DOI: 10.30742/japt.v2i1.77

Abstract

The aim of this study was to determine the Alellopathy Potential contained in Imperata cylindrica extract as a Bio-herbicide. The research was conducted at the Experimental Garden of the Faculty of Agriculture; Wijaya Kusuma Surabaya University. This research method used completely randomized design (CRD); with 4 treatments and 6 replications. The treatments are (A0): Control; A1 : extract concentration ( 250 g/L) ; A2 : 500g/L ; (A3); 750 g / L. Observational data were analyzed using Analysis of Variant (ANOVA), then tested with 5% BNT. The results showed allelopathy contained in the extract of Imperata cylindrica L. can suppress weed seed germination up to 94.67 %; and has a negative effect on the initial growth of spiny spinach (Amaranthus spinosus L) seedling sprouts. With treatment A2 and A3 ; All weed seeds that were able to germinate grew abnormally (100%). Imperata cylindica extract has the potential to be used as a bio-herbicide (natural herbicide) to suppress the early growth of weed seeds on spinach spines.