Abstract
The research aims to study the response of the combination of organic fertilizers, inorganic fertilizers and bio-fertilizers to the growth and yield of Lamuru composite maize in the dry land of Kadumadang Village, Cimanuk, Pandeglang Regency, Banten. The treatments consisted of : A) 3 t / ha manure + urea 350 kg + 100 % fertilizer recommendation for Maize; B) Manure 3 tons / ha + 75% fertilizer recommendation for Maize; C) Manure 3 t / ha + 50% fertilizer recommendation for Maize and D) Organic fertilizer + 25% fertilizer recommendation for Maize. Biosilica application was carried out on the 14, 28, 42, and 56 days after planting (DAS) with a dose of 40 liters/ha. The results showed that the treatment of C that the combination of of fertilizer 3 tonnes/ha of manure + recommendation of 50% fertilizer recommendation for Maize and Biosilica gave the best growth and yield of corn, with shelled production dry corn of 6.2 t / ha (moisture content 17-18%). This result is 16% higher when compared to the productivity of Pandeglang Regency in 2019 which reached 5.3 t/ha.
Highlights
Corn is one of the main secondary crops in Indonesia with a relatively wide range of uses, especially for human consumption and animal feed needs
The influencing factors and problems of maize farming in dry land and paddy fields can be seen from the economic and social and technical aspects of cultivation[1]
Analysis of variance in maize plant height at harvest showed that treatment had no significant effect on plant height but treatment C gave a higher plant height, namely an average of 191.3 cm, followed by treatment B (189.2 cm), treatment D (188 cm). 0.0 cm), treatment A (186.5 cm). This is in line with the results of Purwani and Nurjaya's research, where the application of biological fertilizers and inorganic fertilizers at a dose of 50% gave the best results on maize biomass [15]
Summary
Corn is one of the main secondary crops in Indonesia with a relatively wide range of uses, especially for human consumption and animal feed needs. The development of corn cultivation in Banten today and in the future will be more directed at dry land that has low productivity. From the technical aspect of corn cultivation in a dry land, farmers have not provided balanced fertilizers, while the limiting factor for dry land is low organic matter content. Composting on dry land can improve soil physical properties and corn plant growth[3,4]. Organic and inorganic fertilizers can be used to provide nutrients for plants, besides that organic fertilizers can improve the physical and chemical properties of the soil [5]
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