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Productivity of Soybean on Different Agroecosystems

Dewi Rumbaina Mustikawati, Nina Mulyanti, Ratna Wylis Arief
Published July 2018

Abstract

This study aims to see the growth and productivity of soybeans in different agroecosystems. The study was conducted on paddy field located in Bumi Setia village, Seputih Mataram sub-district, Central Lampung district, and on dryland located in Mandah village, Natar sub-district, South Lampung district, Lampung Province, Indonesia, from April to July 2015. Soybean varieties grown at each location were Grobogan varieties. The variables observed were crop emergence, plant height at harvest, number of plant harvested, number of pods per plant, empty pods, weight of 100 grains, pod pests and productivity. Data were analyzed by t test. The results showed that soybean productivity in dryland was 64.25% lower than productivity in paddy fields. The low yield of soybean varieties of Grobogan in dryland was caused due to drought factor when forming and filling pods. This can be seen from the decrease of weight of 100 grains of soybean seed in dryland up to 51.82% than in paddy field. The status of Grobogan varieties soybean vigor may change from large seed to medium seed if the water requirement is not optimum during the growing season.

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