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Yuliati Machfud

Universitas Padjadjaran

Author-ID : 2603754

Agriculture, Biological Sciences & Forestry

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Pengaruh Macam Bahan Organik terhadap Nilai pH, pH0, Retensi P dan P tersedia pada Andisol Asal Ciater Apong Sandrawati; Teddy Marpaung; Rina Devnita; Yuliati Machfud; Mahfud Arifin
Soilrens Vol 16, No 2 (2018)
Publisher : Fakultas Pertanian Universitas Padjadjaran

ABSTRACT High phosphate (P) retention is a major problem in Andisol that causes low phosphate availability. This study was conducted to determine the effect of various organic matters for pH0, P retention and available P on Andisol obtained from Ciater, West Java. Organic matters used in this experiment consisted of humic acid, straw compost, cow manure, goat manure and chicken manure. This experiment was conducted from April to September 2017 at Soil Physics Laboratory, Faculty of Agriculture, Padjadjaran University. The design used in this experiment was a non Factorial Completely Randomized Design (RAL) with eleven treatments and three replicates. The treatments were control, humic acid (2 ml and 4 ml), straw compost (5% and 10% of the soil weight), cow manure (5% and 10% of the soil weight), goat manure (5% and 10% of the soil weight) and chicken manure (5% and 10% of the soil weight). The result showed that humic acid and various types of organic matter incubated for 3 months decreased pH0 and P retention, improved available P, but decreased pH0 and P retention as well as a negligible increase in available P.Keywords: Andisol, incubation, Humic Acid, pH0, P Retention, available-P

Aplikasi Kombinasi Macam Pupuk Organik dan N,P,K terhadap Pertumbuhan dan Hasil Padi Hitam Anni Yuniarti; Yuliati Machfud; Maya Damayani; Eso Solihin
Soilrens Vol 16, No 2 (2018)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Black Rice is a source of carbohydrate and also a native plant of Indonesia. Black Rice contains copious amount of aleurone and endospermia that produce anthocyanin antioxidant that gave dark purple to black color characteristics. Black rice also low in sugar, contains, more fiber and vitamin E. Another advantages of the black rice, is as natural medicine or nutritious functional food ingredients that prevents degenerative diseases such as cancer. Potential yield of black rice in Indonesia is around 4–5 t ha-1. In this study, the extent of the role of various types of organic fertilizers (straw compost, cattle manure, chicken manure and sheep manure) and N, P, K fertilizers on the growth and yield of black rice were investigated. The experimental design was carried out using a Randomized Block Design (RBD) consisted of 10 treatments with triplicates. The combination of treatment consisted of straw compost, cattle manure, chicken manure, sheep manure and 0-100% recommended dosage of Nitroge, Phosphate, and Potassium (N, P, K) fertilizers. Result showed that the combination of organic fertilizers and N, P, K fertilizers had an effect on plant height, number of tillers and black rice yield (dry grain weight). The application of chicken and cattle manure fertilizers with the addition of N, P, K fertilizers (1 recommended dosage) yielded 66.50 g/tiller (8,5 ton/ha) and 66 g/tiller(8,4 ton/ha) of dry grain weight respectively.Key word: black rice, chicken manure, cattle manure, potential yield

Co-Authors Anni Yuniarti Apong Sandrawati Eso Solihin Mahfud Arifin Maya Damayani Rina Devnita Teddy Marpaung

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