Scientia Agricultura Sinica ›› 2010, Vol. 43 ›› Issue (10): 2080-2087 .doi: 10.3864/j.issn.0578-1752.2010.10.014

• SOIL & FERTILIZER·WATER-SAVING IRRIGATION·AGROECOLOGY & ENVIRONMENT • Previous Articles     Next Articles

Effects of Different Mulching Patterns on Soil Water-Holding Capacity of Non-Irrigated Apple Orchard in the Weibei Plateau

GAO Mao-sheng, LIAO Yun-cheng, LI Xia, HUANG Jin-hui
   

  1. (西北农林科技大学林学院)
  • Received:2009-08-31 Revised:2009-10-15 Online:2010-05-15 Published:2010-05-15
  • Contact: LIAO Yun-cheng

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Abstract:

【Objective】 The objective of the experiment was to study the effect of different mulching patterns on soil water-holding capacity of apple orchard in the Weibei Plateau, and to provide a scientific basis for orchard soil and water management. 【Method】 The effects of straw mulching, film mulching, sod mulching on soil porosity and soil water-holding capacity of non-irrigated apple orchard within 100 cm soil layer were studied by soil moisture measurement in the orchard. 【Result】 Straw mulching enhanced soil porosity and increased the soil water-holding capacity within 60 cm soil layer, and after three years later of mulching, the average soil porosity in 0-60 cm layer of treatments was straw mulching＞sod mulching＞no mulching＞film mulching. The treatment of film mulching decreased soil porosity. The soil saturated water content, soil absorbed water content and soil retained water content in straw mulching treatment within 60 cm increased by 2.18 mm, 0.84 mm, and 1.34 mm compared to no mulching, increased by 2.52 mm, 1.15 mm, and 1.36 mm compared to film mulching, The soil saturated water content, soil absorbed water content and soil retained water content in sod mulching treatment within 60 cm increased by 2.01 mm, 0.69 mm, and 1.32 mm compared to no mulching, increased by 2.35 mm, 1.00 mm, and 1.34 mm compared to film mulching;Straw mulching increased soil water-holding capacity within 100 cm effectively in May and September. In May, straw mulching soil water-holding capacity within 100 cm increased by 48.85 mm compared to no mulching and increased by 31.71 cm in September. Sod mulching soil water-holding capacity was the lowest in all treatments in May, decreased by 31.71 mm compared to no mulching and there was no significant difference between sod mulching and no mulching in September. 【Conclusion】 In the apple production base of Weibei Plateau, the use of straw mulching technology can play a better role in the preservation of soil moisture, and the soil water-holding capacity within 100 cm increased significantly.

Key words: apple orchard, soil water-holding, soil porosity, mulching

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