Study on Effect of Cultivating Measures to Soil Erosion and Coffee Growth on Sloping Land in Dak Lak Province of Vietnam

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Year:
2021
Type of Publication:
Article
Keywords:
Coffee, Erosion, Growth, Sloping Land, Soil Loss
Authors:
Tu, Trinh Cong; Hai, Phan Son; Truc, Ho Cong; Trung, Phan Quang; Lan, Nguyen Thi Huong; Binh, Truong Van; Trinh, Trinh Cong
Journal:
IJRAS
Volume:
8
Number:
2
Pages:
87-95
Month:
March
ISSN:
2348-3997
Abstract:
Laying Central Highlands, Dak Lak province is called the “capital” of Vietnam coffee. However, coffee trees in the local were planted mainly on sloping land, where soil erosion caused by rainfall is unavoidable. To find out the measures of soil protecting from erosion, an experiment with 6 treatments of (i) farmer practics (control), (ii) draining, (iii) banking, (iv) making pond, (v) intercropping with peanut and (vi) intercropping with peanut and crotalaria pallida was implemented in coffee plantation on sloping land of 12 degrees during 2019-2020. The experimental treatments were replaced 3 times and ranged in randomized complete block design (RCBD), with basic plot size of 189 m2 (9 m x 21 m). The results showed that cultivating measures impacted evidently to soil erosion and coffee growth. Intercropping coffee with peanut and crotalaria pallida and making pond around coffee tree gave the best effectiveness for protecting soil and growth of coffee tree, reduced soil loss by 3.39 t.ha-1.y-1, corresponding 27.9%, increased perimeter of stem by 15.6%, diameter of canopy by 13.5%, pairs of branch by 14.9%, length of branch by 16.9% and nodes per branch by 14.1% in comparison with control.

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