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Journal : International Applied Science

Effect Of Weeding and Pest Control on Root Dynamics of Soybean (Glycine max (L.) Merril) on Sugarcane-Soybean Intercropping System Iskandar Umarie; Wiwit Widiarti; Oktarina Oktarina; Ika Isnaini Rahayu; Muharromatul Hikmah
International Applied Science Vol. 1 No. 1 (2022): Proceedings of International Conference on Rural Development (ICRD) 2020
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/ias.v1i1.17

Abstract

Soybean (Glycine max (L.) Merill) is one of the important commodities in the provision of food, feed, and industrial materials, so it has become a major commodity in international trade. The need for global soybeans increases every year, along with population growth, improvement in per capita income, and the development of a food industry that is made from soybeans. This research was conducted in the experimental garden of the Faculty of Agriculture, Muhammadiyah University, Jember, Jember, East Java, Indonesia. The research was conducted in the form of factorial field experiments. The First Factor is F1: Weed Weeding Frequency, as many as 3 levels, yi: F1: Weeding once (15 hst), F2: Weeding 2 times (15, 30 hst), F3: Weeding 3 times (15, 30, and 45 days after) ) and and the second factor is Pest Control by 4 levels: I1 = Chemical Insecticide (Decis 25 EC), I2 = Vegetable Insecticide, I3 = Vegetable Insecticide Soursop Extract, I4 = Vegetable Insecticide of Neem Extract. The treatments above were arranged using a Complete Randomized Block Design (RCBD) which was repeated three times. The results of the study of weed frequency treatment significantly affected the growth of root nodules and the development of the roots of soybean plants. The best weed weeding frequency is weeding three times in one growing season. Treatment of pest control significantly affects the growth of root nodules and the development of the roots of soybean plants. The best pest control is pest control with chemical insecticides. The interaction of weed weeding frequency with pest control significantly influences the growth of root nodules and the root growth of soybean plants. The best interaction in this study is the interaction between the frequency of weeding three times sugar with pest control using chemical insecticides
Optimization Of Population And Concentration Of Liquid Organik Fertilizer On Growth And Production Of Sweet Corn (Zea mays saccharata Strut) Wiwit Widiarti; Iskandar Umarie; Insan Wijaya; Yohan Dita Nugroho
International Applied Science Vol. 1 No. 2 (2022)
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/ias.v1i2.165

Abstract

: Sweet corn (Zea mays saccharata Strut) is a weel-known horticultural commodity and has been cultivated in various processed forms. Marked demand for sweet corn continues to increased, so market needs continue to grow and need to be maximized. This study aims to determine population optimization and concentration of liquid Organic fertilizer on the growth and production of sweet corn (Zea mays saccharata Strut). This study used a Factorial Randomized Block Design with 3 replications and consited of 2 factors. The first factor is population difference, P1:population 62,000 plant per hectare, P2: population 83,333 plant per hectare, P3:125,000 plant per hectare, while the second factor is concentration of liquid organic fertilizer, N1:without POC, N2:POC 45 ml/L, N3:POC 90 ml/L, N4:POC 135 ml/L. Differences in population significanly affected the parameters of plant height 42 DAP, stemp diameter 42 DAP, lenght of cob, diameter of cob, weight of cob. The best treatment of was obtained in the P1 treatment, which was 62,000 plant per hectare. NASA POC concentration significantly affected all parameters. The best treatment was obtained in the N4 treatment with a concentration ot 135 ml/L. The interaction between population differences and NASA POC concentration had a significant effect on the parameters of plant height at 42 DAP.