Impact of Organic Manure on Growth, Nutrient Content and Yield of Chilli Pepper under Various Temperature Environments

Botir Khaitov, Hye Jin Yun, Yejin Lee, Farrukh Ruziev, Thi Hien Le, Mirjalol Umurzokov, Aung Bo Bo, Kwang Min Cho and Kee Woong Park
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Botir Khaitov: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Hye Jin Yun: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Yejin Lee: Soil Management Division, NIAST, Rural Development Agency, Wanju 55365, Korea
Farrukh Ruziev: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Thi Hien Le: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Mirjalol Umurzokov: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Aung Bo Bo: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Kwang Min Cho: Crop Science Department, Chungnam National University, Daejeon 34134, Korea
Kee Woong Park: Crop Science Department, Chungnam National University, Daejeon 34134, Korea

IJERPH, 2019, vol. 16, issue 17, 1-14

Abstract: Expected climatic changes likely elicit serious challenges for crop production. Therefore, it is indispensable to investigate the response of crop growth parameters and yield under temperature variability environments. The current experiment on chilli pepper growth was conducted in a field, rain-shelter plastic house, and plastic greenhouse, with accumulated temperatures of 2832 °C, 2967 °C, and 3105 °C in 2017; and 2944 °C, 3091 °C, and 3168 °C in 2018 growing seasons. Based on soil analysis, 132.7 kg ha −1 (1× of livestock manure compost as an optimum and 265.4 kg ha −1 (2×) as a double amount of organic matter were applied to each simulated temperature condition. The results showed that organic manure application favorably affects the growth attributes and nutrient uptake of chilli pepper with the highest values found in the plastic greenhouse, followed by the rain-shelter house, over the open field cultivation condition. The highest growth of chilli pepper was at the 2× rate of organic manure application, whereas the highest yield was found at the 1× rate of organic manure application. The application of organic manure at the 1× rate in the greenhouse increased root, shoot, and fruit dry weights of chilli pepper by 21.4%, 52.4%, and 79.7%, respectively, compared to the control values. These results indicate that the rational use of organic amendments might be the best solution for chilli pepper production under variable climate conditions.

Keywords: chilli pepper; organic manure; application rate; elevated temperature; rain-shelter plastic house; greenhouse; field (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
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