intercropping of trees and grass
qian xi zao liang jian zuo mo shi (浅析枣粮间作模式) Intercropping of Trees and Grass (林草间作) Intercropping Types and Intercropping Patterns of Artificial Poplar Plantation (人工杨树林间作种类、间作模式) ..
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intercropping of trees and grass
树木和草的间作
以上为机器翻译结果，长、整句建议使用 人工翻译 。