Gautama, M. Rizal Syaefuddin (2023) Pengaruh Dosis Pupuk Npk Organik Dan Interval Pemberian Air Cucian Beras Terhadap Pertumbuhan Serta Hasil Tanaman Sawi Caisim (brassica Juncea L). Other thesis, Universitas Islam Riau.

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Abstract

The purpose of this study was to see the effect of organic NPK and rice washing water intervals on the growth and production of caisim mustard. The research was carried out at the Experimental Garden of the Faculty of Agriculture, Riau Islamic University, Jalan Kharudin Nasution Km 11, Air cold Village, Bukit Raya District, Pekanbaru City. The research was carried out for 2 months starting from June-July 2022. This study used a factorial Completely Randomized Design (CRD) which consisted of 2 factors, the first factor was: Administration of Organic NPK (N) which consisted of 4 levels namely 0, 1, 6, 3.2 and 4.8 g/plant, and the second factor is the rice washing water interval (A) which consists of 4 levels, namely once a day for 2 days, once for 3 days and once for 4 days, so there are 16 treatment combinations with 3 replicates, there are 48 experimental units. Each experimental unit consisted of 6 plants, and 2 of them were used as sample plants, so that there were 288 plants in total. Interaction of organic NPK and rice washing water interval significantly affected plant height, number of leaves, fresh weight, economic weight, dry weight and root volume. The best treatment was Organic NPK 4.8 g/plant and rice washing water interval once every 3 days. The main effect of real organic NPK on all observed parameters, namely, plant height, number of leaves, fresh weight, economic weight, dry weight and root volume. The best treatment was Organic NPK 4.8 g/plant. The main effect of the rice washing water interval was significant on all observed parameters, namely, height, plant, number of leaves, fresh weight, economic weight, dry weight and root volume. The best treatment is rice washing water interval once every 3 days. .

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