The Growth and Yield of Shallots (Allium ascalonicum L.) Grown on Soils Previously Treated with Flooding and Ameliorants at Brebes Regency

Badrudin, Ubad and Jazilah, Syakiroh and Prakoso, Budi (2017) The Growth and Yield of Shallots (Allium ascalonicum L.) Grown on Soils Previously Treated with Flooding and Ameliorants at Brebes Regency. In: International Conference and Call for Papers “Scientific Publication and Local Cultural Development”, 10-12 November 2017, Raja Ampat, Papua Barat.

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Abstract

Abstract.Shallot is one of economically potential agricultural commodities in the Brebes Regency. Farmers commonly apply excessive inorganic fertilizers and pesticides on shallot plants. These practices reduce soil health and soil fertility. In addition, residual pesticides are detected in soils and bulbs of shallots. Flooding the fields and applying soil ameliorants before planting the shallots is one of alternative innovation technologies which can reduce the residual pesticides in soils and bulbs. This study aimed to know the effect of flooding duration and types of soil ameliorants on the soil before planting on the growth and yield of shallots. The study was conducted at Wanasari village, Wanasari District, Brebes Regency fromAgust toOctober 2017. Split plot with block designs was used for arranging the units of experimental. The main plots were flooding duration i.e. without flooding, 12 hours of flooding, 24 hours of flooding, or 36 hours of flooding. The subplots were types of soil ameliorants i.e. without soil ameliorant, chicken litters, or zeolite. Measured variables were plant high, number of leaves, number of tiller, number of bulbs, fresh weight of bulbs, and weight of bulbs after 3 days of sun drying. Results showed that the growth and yield characters of shallots on soils previously treated with flooding and soil ameliorants were similar except that flooding of soil before planting reduced the weight of bulb after 3 days of sun drying.

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