Abstract
This research aims to determine the effect of the application Vermicompost Organic Fertilizer and NPK inorganic fertilizer in different doses to see mustard plants' growth and the yield on the media of inland peat soil. The study was a completely randomized design factorial Completely Randomized Design, consisting of 2 treatment factors and three replications. The first factor is the dose of Vermicompost organic fertilizer (D), which consisting of 3 levels i,e D0 : control ; D1: 100 g/polybag; D2 : 200 g/polybag and the second factor is the dose NPK Fertilizer which consisting of 2 levels M0: control; M1: 1 g/polibag. This research has been conducted on the experimental field department of agriculture cultivation, Faculty of Agriculture, Palangka Raya University, Palangka Raya City, Central Kalimantan from October until December 2017. The results showed that the interaction of Vermicompost organic fertilizer and NPK fertilizer did not give an effect for plant growth parameters. Doses Vermicompost 100 g / polybag and NPK 1 g / polybag gave the highest results to growth and yield of mustard plants; based on the results of the analysis, the treatment of 1 g NPK / polybag had a very significant effect on the observed parameters such as plant height, number of leaf, root weight, and total plant weight.
Highlights
Green mustard (Brassica juncea L.) is a type of vegetable with a sub-tropical climate that is very popular with the community in Indonesia
The results of the analysis of variance showed that there was no interaction between application of Vermicompost and NPK Fertilizer on Green Mustard plant growth, but the single NPK factor had a significant effect on the age of 3 and 4 WAP, while the single factor Vermicompost did not show a significant effect on the growth of green mustard plants
There is no difference in the combination treatment of Vermicompost and NPK with a certain dose compared to the single factor NPK, presumably due to excess nutrients in the treatment of Vermicompost fertilizer with NPK
Summary
Green mustard (Brassica juncea L.) is a type of vegetable with a sub-tropical climate that is very popular with the community in Indonesia. According to Radjagukguk (1997) the use of inland peatland for agriculture has several constraints, including the availability of N for plants is generally low, the ratio of C / N content of peat soil is relatively high, the Cation Exchange Capacity (CEC) is high, Base Saturation (BS) is low and reacts acidly (low pH). This condition causes the availability of nutrients for plants to be relatively small. Fertilization can add nutrients not available in the soil in sufficient quantities such as nitrogen, phosphorus and potassium
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