Pramesti, Rr Naura Rachma (2024) The Effect of Various Vermicomposts on Two Kinds of Grumusol Land Use on Sweet Corn (Zea mays) Growth and Nitrogen Uptake. S1 Undergraduate thesis, Universitas Darussalam Gontor.
Abstract
Approximately 43.47% of the land in Ngawi Regency consisted of grumusol soil in 2020. Grumusol is a type of soil with potential as a growing medium for plants but is limited by its low nitrogen nutrient content. Increasing soil fertility can be done by applying additional fertilizers, such as vermicompost. The study focused on sweet corn plants, which are highly sensitive to fertilization, particularly nitrogen nutrients. The research aimed to evaluate the effect of different types of vermicompost on grumusol soil in both rice fields and drylands concerning the growth and nitrogen (N) uptake of corn (Zea mays). The research was conducted experimentally using a Completely Randomized Design (CRD) with two factors and repeated three times. The first factor is: control (A0), chicken manure vermicompost (A1), cow manure vermicompost (A2), market waste vermicompost (A3). includes planting media soil taken from rice field (B1) and dryland (B2). The results showed that vermicompost made from market waste produced the highest plant N uptake compared to control and chicken manure vermicompost. Soil from dryland showed better results in plant height, number of leaves, stem diameter, wet stover weight, dry stover weight, and plant N uptake compared to paddy field. However, no interaction was observed between vermicompost type and land use on the growth and N uptake of corn plants.
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