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      Pengaruh Waktu Aplikasi Pupuk Dasar terhadap Pertumbuhan dan Produktivitas Berbagai Genotipe Bayam (Amaranthus sp.)

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      Date
      2021
      Author
      Rosyid, Muhammad Syaiful Ar
      Ritonga, Arya Widura
      Chozin, Muhamad Achmad
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      Abstract
      Produktivitas nasional bayam tergolong rendah pada kisaran 20% potensi hasil, sedangkan luas lahan budidaya menunjukkan tren menurun. Produktivitas dapat ditingkatkan melalui penggunaan varietas unggul dan pemupukan yang optimal. Pemupukan yang optimal sangat penting karena tanaman semusim seperti bayam memiliki siklus hidup yang singkat. Pupuk dasar yang diaplikasikan pada waktu yang tepat dapat mengoptimalkan pertumbuhan dan produktivitas bayam. Penelitian ini bertujuan mengetahui pengaruh waktu aplikasi pupuk dasar terhadap berbagai genotipe bayam. Penelitian ini menggunakan rancangan kelompok lengkap teracak (RKLT) pola tersarang, dengan petak utama waktu aplikasi pupuk dasar (0 MST dan 1 MST) dan anak petak 14 genotipe bayam. Hasil analisis ragam menunjukkan waktu aplikasi berpengaruh sangat nyata terhadap karakter-karakter agronomis seperti panjang daun, lebar daun, panjang tangkai daun, diameter batang, luas daun, bobot pertanaman, dan produktivitas, serta berpengaruh nyata pada tinggi tanaman dan jumlah daun saat 2 MST. Terdapat keragaman yang nyata antara genotipe yang diuji pada semua karakter.
       
      The national productivity of spinach is low at around 20% of potential yield, while the area of cultivated land shows a declining trend. Productivity can be increased by use of high yield varieties and optimal fertilization. Optimal fertilization is very important because annuals such as spinach have a short life cycle. Basic fertilizer applied at the right time can optimize the growth and productivity of spinach. This study aims to determine the effect of basic fertilizer application time on various genotypes of spinach. This study used a nested completely randomized complete block design (RKLT), with the main plots of basic fertilizer application time (0 MST and 1 MST) and subplots of 14 spinach genotypes. The results of the analysis of variance showed that application time had a very significant effect on agronomic characters such as leaf length, leaf width, petiole length, stem diameter, leaf area, plant weight, and productivity, and had a significant effect on plant height and number of leaves at 2 WAP. There was significant variation between the genotypes tested for all characters.
       
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      http://repository.ipb.ac.id/handle/123456789/109764
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      • UT - Agronomy and Horticulture [7622]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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