The research was conducted in Padasari Village, Cimalaka Sub-district, Sumedang District, from June to September 2018, located at an altitude of 600 m asl. The objective of experiment was to study the effect of dosage of lamtoro leaf organic fertilizer to growth and yield of Pakcoy (Brassica rapa L.) plant varieties Nauli-F1. The research was conducted by experimental approach through field experiment. The design used in the experiment was a simple randomized block design consisting of six treatments and four replications. The dose of liquid organic fertilizer treatment Lamtaro leaves consist of: A : 0 L Ha-1, B: 100 L Ha-1, C: 200 L Ha-1, D: 300 L Ha-1, E: 400 L Ha-1, and F: 500 L Ha-1. The result of experiment showed that the use of lamtoro liquid organic fertilizer gave a good effect on all observation variables. The dose of Lamtoro leaf organic fertilizer 500 L Ha-1 showed the best result an plant height, number of leaves, net weight per plant, net weight per plot, and the shoot root ratio.
The research aims to obtain varieties of red beans was tolerant oflow light intensity under this shade.The research implemented in the experimental garden UNWIM BojongSeungit campus, from late June to early September 2016, with a height of 850 meters above sea level and precipitation type C (Dampish ).The experimental design used was split plot design consisting of 16 treatments and 4 Deuteronomy .Treatment consists of two levels : size of the shade (P), p0 = 0%Shade, p1 = 50% Shade, p2 = 65% Shade, p3 = 75%Shade, and varieties (v), v1 = Garut and v2 = Tasik.The results of this experiment showed the effect of growth and different results in higher plants in shade 65% and 0% in the varieties of Garut and Tasik age 35 days after planting, number of leaves per plant and the number of branches per plant at 28 days after planting in the shade of 75%, the number of pods contents per plant and the number of pods per plant in the shade of 0% whereas 50% shade highest yield of dry grain weight per plant, weight of 100 grains of seed varieties Garut and percentage (%) number of pods per plant were highest in varieties Tasik Varieties of Garut and Tasik are sensitive to shade 75%, moderate to 65% shade and still tolerant to shade 50%.
Teknik budidaya hidroponik sebagai upaya intensifikasi, dapat meningkatan efisiensi dan efektivitas peggunaan lahan. Tujuan penelitian ini adalah untuk mempelajari interaksi antara jenis nutrisi dan jenis media tanam terhadap partumbuhan dan hasil tanaman pakcoy (Brassica chinensis L.) Varietas Nauli F-1 secara hidroponik sistem wick. Percobaan dilakukan di Green house Fakultas Kehutanan Universitas Winaya Mukti Sumedang, ketinggian 850 meter di atas permukaan laut, pada bulan Juni hingga Juli 2021. Percobaan menggunakan Rancangan Acak Kelompok (RAK) pola faktorial, terdiri dari dua faktor yaitu faktor pertama jenis nutrisi (n1 = Ab mix 100%, (Kontrol) ; n2 = Ab mix 50% + POC kelinci 50% ; n3 = POC kelinci 100%) dan faktor kedua jenis media tanam (m1 = Rockwool, (Kontrol) ; m2 = Arang sekam; m3 = Cocopeat) serta percobaan di ulang tiga kali. Hasilpercobaan menunjukkan terjadi interaksi antara jenis nutrisi dan jenis media tanam terhadaptinggi tanaman umur 10 HST, 15 HST, 20 HST, 25 HST, 30 HST, jumlah daun umur 10HST, 25 HST, 30 HST dan bobot segar tanaman, sedangkan pada jumlah daun umur 15 HST,20 HST, panjang akar dan luas daun tidak terjadi interaksi. Kombinasi nutrisi Ab mix 100%dan media tanam rockwool memberikan pertumbuhan dan hasil terbaik pada setiap parameter pengamatan.
The use of local microorganisms in the composting process will influence the final outcome compost or different according to the dominant species of microorganisms contained in the local microorganisms. This indirectly will respond differently to the growth and quality of radish tubers produced. Formulation of the problem of the research is as follows: How is the interaction between the use types of microorganisms locally in the process of composting organic material and harvesting time in the cultivation of rapeseed for the quality of radish, what type of microorganisms local and harvest time how many days after planting gives the crop rapeseed best. The research was conducted in the greenhouse of the Faculty of Agriculture, Winaya Mukti University. Experimental approach using experimental design factorial randomized block design consists of the first factor of compost a wide treatment with different local microorganisms, consists of five levels, and the second factor of different harvesting time which consists of four levels that are repeated twice. The results showed local Microorganisms snails on composting give significantly different results on the length and weight of tuber tubers radish Var. Greenbow, while the quality of radish tubers obtained from harvesting time at the age of 53 HST.
An experiment was carried out from May to October 2015 at Experimental Field of Agriculture Faculty Winaya Mukti University Tanjungsari Campus, at the altitude of 850 m above sea level, Inceptisols soil order. The objective of these experiment was to study interaction effect of Chicken manure and Phonska Rates on Yield of Sweet Potato Cilembu Variety. Experimental design used was a Randomized Block Design (RBD) in factorial pattern with 2 replications. The fisrt factor named chicken manure rates (A), contain of 4 levels, named : a0 = without chicken manure, a1 = 10 t ha-1, a2 = 20 t ha-1, a3 = 30 t ha-1. Rates of Phonska (P) contain 4 levels, named : p0 = without Phonska, p1 = 400 kg ha-1, p2 = 800 kg ha-1 p3 = 1.200 kg ha-1. Result of experiment showed that interaction between chicken manure and phonska rates was not significant on yield of sweet potato Cilembu variety. Main effect of chicken manure rates and phonska rates were significant on plant dry weigt at one, two, three and four month after planting, weight of first class tuber and total tuber plot-1, while the effect on number of tuber is not significant. The optimum chicken manure rate was 28,87 ton ha-1 with maksimum first class yield 17,96 t ha-1, and optimum chicken manure rate was 27,18 t ha-1 with total tuber yield 20,51 t ha-1. Tuber yield response toward phonska rates was linear.
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