Kus Hendarto
Jurusan Agroteknologi Fakultas Pertanian Universitas Lampung

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Journal : Jurnal Agrotropika

Pengaruh Dosis Pupuk NPK Phonska Plus dan Trichoderma terhadap Pertumbuhan dan Produksi Tanaman Melon (Cucumis melo L.) Restua Mahardday Situmorang; Kus Hendarto; Yohannes Cahya Ginting; R.A. Diana Widyastuti
JURNAL AGROTROPIKA Vol 21, No 1 (2022): Jurnal Agrotropika Vol 21 No 1, Mei 2022
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v21i1.5527

Abstract

This study aims to evaluate the growth and production of melons due to the administration of trichoderma sp and the addition of a dose of NPK fertilizer and the interaction of trichoderma sp. with Phonska NPK fertilizer. This research was conducted in the Integrated Field Laboratory, Faculty of Agriculture, University of Lampung from January to March 2021. The treatments were arranged in a 2x4 factorial with 3 replications in a Randomized Block Design (RAK). The first factor is the first factor is trichoderma (without trichoderma and 20 g/plant), the second factor is Phonska NPK fertilizer dose (without NPK, 30 g/plant, 60 g/plant and 90 g/plant). The results showed (1) Application of trichoderma 20 g/plant increased plant stem length (124.45), melon diameter (104.39 mm) higher than without trichoderma application, plant stem length (122.74cm), melon diameter (100, 13 mm), as well as melon weight per plant increased from 666.10 g (without trichoderma application) to 717.05 g (20 g/plant). (2) Application of NPK phonska fertilizer at a dose of 60 g/plant increased plant stem length (125.10 cm), melon diameter (108.70 mm) higher than without NPK application (123.23 cm) (95.82 mm), Likewise, melon weight per plant increased from 649.83 g (without NPK fertilizer) to 748.18 g. (3) Application of trichoderma sp. 20 g/plant in synergy with the application of NPK phonska fertilizer at a dose of 60 g/plant gave the best results based on the variables of plant stem length (127.30 cm), melon diameter (115.00 mm) and melon weight (795.63 g) compared to without application of trichoderma sp and without application of fertilizer the average length of plant stems (123.17 cm), melon diameter (92.77 mm) and melon weight (663.10 g).Keywords : Melon, fertilizer,yield, trichoderma
Pengaruh Dosis Pupuk NPK dan Jenis Pupuk Pelengkap terhadap Pertumbuhan dan Produksi Cabai (Capsicum annuum L.) Kus Hendarto; Yohanes Cipta Ginting; Agus Karyanto; Virginia Chintya Amanda
JURNAL AGROTROPIKA Vol 20, No 2 (2021): Oktober 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i2.5085

Abstract

This study aims to determine the effect of NPK dosage, types of complementary fertilizers and their interactions on the growth and production of chilies pepper.  This research was conducted in Sukabanjar Village, Gedong Tataan, Pesawaran Regency from July-December 2020.  The experimental design used in this study was a two-factor randomized block design (RBD), namely the dose of NPK fertilizer and the type of complementary fertilizer (4 × 2) with 3 replications.  Each plot consisted of 8 plants so that there were 192 plants.  The first factor was NPK Mutiara fertilizer dose (16:16:16)(N) with N0:0 g/plant, N1:10 g/plant, N2:20 g/plant and N3:30 g/plant.  The second factor is the type of complementary fertilizer (P) with P1 Plant Catalyst and P2 Gandasil D. Homogeneity of variance was tested by Bartlett test, additivity was tested by Tukey test. Then it was continued with analysist of variance and with the Least Significant Difference test (LSD) at the 5% level. Treatment of NPK fertilizer dosage significantly increases growth and yield.  The interaction between the NPK dosage of 20g/plant and type of complementary fertilizers gave highest plant height (95.58 cm). The best  combination was NPK dosage of 20 g/plant and Plant Catalyst fertilizer that gave highest yield (753,17 g/plant equivalent 15.06 ton/ha at population 20,000 plant/ha.Keywords : Chili pepper, complimentary fertilizer, growth, NPK, yield