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All Journal Agroekoteknologi Tropika Lembab ZIRAA'AH MAJALAH ILMIAH PERTANIAN Agrifarm

Ratna Shanti

Fakultas Pertanian Universitas Mulawarman Samarinda Jln. Pasir Balengkong, Kampus Gunung Kelua, Samarinda Po. Box 1040

Author-ID : 2567460

Agriculture, Biological Sciences & Forestry

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Aplikasi Pupuk NPK Dan Bokashi Serta Interaksinya Terhadap Pertumbuhan Dan Produksi Tiga Varietas Ubi Kayu (Manihot escculenta. L) Di Kutai Timur Ratna Shanti; Ratna Nirmala
Agrifarm : Jurnal Ilmu Pertanian Vol 6 No 1 (2017): July
Publisher : Universitas Widya Gama Mahakam

The purpose of this study to determine the effect of fertilization on the production of three varieties of cassava that is Darul Hidayah, Gajah and Varietas Local. The field experiment was conducted for 9 months starting from April to December 2016. Locations trial in Sangata Selatan, DistrictKutai Timur.The design is split plot design arranged in a factorial treatment was repeated 3 times (R) Treatment Varieties (V) as the main plots and fertilizer treatments (P) as subplot. The results showed that the inorganik fertilizer (NPK), organik (Bokashi) and combinations thereof capable of producing tubers each, 124 tons per hectares, 130.44 tons per hectares, and 134.67 tons per hectares and 99.11 ton per hectares as a kontrol s. Fertilization treatment of three varieties cassava tubers can increase production 20%. 23.8% and 26% respectively as a compared with kontrol s. While the tuber production between varieties Darul Hidayah and Gajah 148.50 tons perhectares and 132, 33 ton per hectares while the local variety 85.33 tons per hectares. The increase in the tubers from 3 varieties namely 42.5% and 35.6% compared to local varieties. Keywords: anorganik and organik fertilizers, varieties of cassava

Kebutuhan Air untuk Tanaman Terung ( Solanum melongena. L) pada Lempung Liat Berpasir di Tanah Ultisols Ratna Shanti
Agrifarm : Jurnal Ilmu Pertanian Vol 8 No 1 (2019): July
Publisher : Universitas Widya Gama Mahakam

The purpose of this study was to determine optimum water requirement of eggplant (Solanummelongena L) onsandy clay loam soil of Ultisols during it growth period. The experiment was conducted on 5th May to 27thAgust2017 in glass house Faculty of Agiculture, Mulawarman University, Samarinda. The pot experiment was designed Completely Randomized Design that consisted of four treatments level with seven replications. Treatment based on water avaibility (WA), those are : A = 494 ml (50 % WA), B = 670 ml (75 % of WA) C = 846 ml ( 100 % of WA) and D = 1022 ml ( 125 % of WA).Each experiment pot contained 10 kg dried soil. The treated pots(after watering) have weight respectively, A= 10494 g, B = 10670 g, C= 10846 g, and D= 11022 g. These pots will be weighted every daycontinouslyduring plant growth and maintained those pot weight respectively.Vegetative and generative data were collected and statistical analyzed using variance analysis. If the treatments showed significant different effect, the statistical analysis of those treatment continued by Least Significant Different (LSD) test at 5% level to find out the optimum water requirement level. The results of the experiment showed that treatments of watering was significant effect on the average of vegetative parameters, (vegetative growth i.e.plant height at the age 20, 40, and 60 days, blooming after planting.) and significant effect for generative parameters (fruit number, length and fruit weight).The optimum water requirement for eggplant at 506 ml pot-1 therefore during growth period eggplant needs 40,731 ml of waterfor maximum yield.

Co-Authors Ratna Nirmala Ratna Nirmala Ratna Nirmala Suyadi Suyadi

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