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Paper ID: 101

ROLE OF PHOSPHATE FERTILIZER FOR GROWTH AND YIELD OF HYBRID MAIZE (ZEA MAYS)

Authorship

Supriyono1), Mutiara Rengganis Naomi2), Aprilia Ike Nurmalasari3), Pardono4)

1Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta, Indonesia;

2College of Agrotechnology Program, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta, Indonesia

supriyono_uns@yahoo.com

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Abstract

Maize (Zea mays) is a strategic commodity because its high productivity and diverse uses. This study aims to obtain a dose of phosphate fertilizer which increases growth and yield of hybrid maize. The research was conducted on the dryland, Faculty of Agriculture, UNS, Jumantono, Karanganyar in June-September 2019. The research method used was an experimental method with a Complete Randomized Block Design 1 factor with 4 dose and was repeated 6 times. The dose is 0; 100; 150; 200 kg/ha P fertilizer. The observed variables namely plant height, number of leaves, stem diameter, leaf area index, fresh stover weight, dry stover weight, weight of cobs with husks, weight of cobs without husks, average of cobs per plant, number of seeds per plant, weight of seeds per plant, weight of seeds per hectar, weight of 100 seeds. The application of 150 kg.ha-1 of phosphate fertilizer SP-36 increases growth variable. The application of 100 kg. ha-1 of phosphate fertilizer SP-36 increases yield variable of weight maize per hectare (5.91%) to 2.15 tons / ha.

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