Shelterbelt Structure and Crop Protection from Increased Typhoon Activity in Northeast China

Xuelu Cai, Mark Henderson, Ligang Wang, Yuanhang Su and Binhui Liu
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Xuelu Cai: College of Forestry, The Northeast Forestry University, Harbin 150040, China
Mark Henderson: Mills College, Oakland, CA 94613, USA
Ligang Wang: Qiqihar Branch of Heilongjiang Academy of Forestry, Qiqihar 161005, China
Yuanhang Su: College of Forestry, The Northeast Forestry University, Harbin 150040, China
Binhui Liu: College of Forestry, The Northeast Forestry University, Harbin 150040, China

Agriculture, 2021, vol. 11, issue 10, 1-13

Abstract: Global warming has led to increases in the frequency and intensity of typhoons. In recent years, super typhoons have had a greater impact on agriculture in the black soil farmland of Northeast China, posing serious threats to crop growth. Planting trees as windbreaks and to reduce erosion is common in this region, but their protective effects against crop damage from typhoons is still unknown. This paper studied the protective effect of different shelterbelt structures on crops that encountered a super typhoon. The results show that the distance between shelterbelt rows and shelterbelt porosity have significant influences on the starting lodging distance of crops behind the shelterbelt. Increasing the shelterbelt distance between shelterbelt rows or reducing shelterbelt porosity can enhance their protective effects on crops. Among the main crops, rice has the strongest lodging resistance, followed by soybeans, with maize being the least resistant. The protective effect of mixed tree and shrub shelterbelts is better than that of single tree species shelterbelts. Dead or missing trees reduce the shelterbelt protective effect. These results provide strategies for reducing the impact of more intense and frequent super typhoons.

Keywords: crop lodging; typhoon; shelterbelts; structure; distance between shelterbelt rows; digital image processing methods (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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