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Production and Cultivated Area Variation in Cereal, Rice, Wheat and Maize in China (1998–2016)

1
College of Agronomy, Northwest A&F University, No. 3 Taicheng Road, Yangling 712100, Shaanxi, China
2
College of Agronomy and Biotechnology, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
*
Authors to whom correspondence should be addressed.
Agronomy 2019, 9(5), 222; https://doi.org/10.3390/agronomy9050222
Received: 5 April 2019 / Revised: 25 April 2019 / Accepted: 28 April 2019 / Published: 30 April 2019
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Abstract

The production of cereals, including rice, wheat, and maize has increased in China over the past 20 years. However, variations in the production and cultivated area of cereals remains unclear. In this study, we collected and analyzed the cereal production and cultivated area in China from 1998 to 2016. An 85% increase in cereal production was recorded from 1998 to 2016, due to an increase in the maize production along with the increase in the cultivated area. Meanwhile, rice and wheat production have been stable since 2000. No change occurred in the rice cultivated area through 2016, and a 19% decrease in the wheat cultivated area was observed in 2016 relative to 1998. In addition, a significant positive relationship was observed among cereal production, maize production, and cultivated area (p < 0.0001). Together, the increase in cereal production in China over the past two decades has resulted from the increase in maize cultivated area and the consequent increase in maize production. View Full-Text
Keywords: wheat yield; rice production; maize cultivated area; spatial-temporal variation; climate change wheat yield; rice production; maize cultivated area; spatial-temporal variation; climate change
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Wang, Y.; Gao, F.; Gao, G.; Zhao, J.; Wang, X.; Zhang, R. Production and Cultivated Area Variation in Cereal, Rice, Wheat and Maize in China (1998–2016). Agronomy 2019, 9, 222.

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