Respon Pertumbuhan Vegetatif Sawi Hijau (Brassica rapa var. parachinensis L.) Terhadap Pemberian Limbah Organik Cangkang Telur dan Air Cucian Beras

HAKI, Herly Desryanti (2023) Respon Pertumbuhan Vegetatif Sawi Hijau (Brassica rapa var. parachinensis L.) Terhadap Pemberian Limbah Organik Cangkang Telur dan Air Cucian Beras. Undergraduate thesis, Universitas Katolik Widya Mandira Kupang.

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Abstract

The success of green mustard cultivation is influenced by the nutrient content in the planting medium. These nutrients can be in the form of micronutrients and macronutrients which can be obtained through fertilization with organic fertilizers. This study aims to determine the vegetative growth response of mustard greens (Brassica rapa var. parachinensis L.) by administering eggshell organic waste and rice washing water using hydroponic techniques and to determine the concentration of eggshell organic waste and rice washing water which are good for mustard greens growth. This research used a factorial complete randomized design (CRD) method with 16 treatments and 2 (two) replications. The work procedure consisted of media preparation, seeding, transplanting and fertilizing, making eggshell fertilizer, rearing, and harvesting. Parameters observed in this study were root length, plant height, stem circumference, number of leaves, leaf length, leaf width, crown wet weight, crown dry weight, root wet weight, and root dry weight. Observational data were analyzed using variance (ANOVA) to determine whether there was an effect of treatment on the vegetative growth response of mustard greens (Brassica rapa var. parachinensis L.). If there is an influence, further tests would be carried out using the Duncan Test. The research result revealed that of the 16 treatments that had been observed, all treatments had an insignificant effect on the observed parameters where (F count ≤ F table) at the level of 0.05% and 0.01%. However, of all treatments, the T3B3 treatment (100 grams of egg shells and 200 mL of rice washing water) showed better vegetative growth. The dose given would affect the size of the nutrient content but did not guarantee that the higher dose given would increase plant productivity. Giving a dose that was too low did not have a visible effect, while a dose that was too high would cause poisoning in plants, which was characterized by falling leaves and drying stems, this happens because plants have limitations in absorbing nutrients in their life needs.

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