Paper Information

Journal:   JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)   MAY-JUNE 2012 , Volume 26 , Number 2; Page(s) 372 To 380.
 
Paper: 

STUDY THE EFFECTS OF NO TILLAGE SYSTEM UNDER CROP MULCH ON EVAPOTRANSPIRATION

 
 
Author(s):  KHALEDIAN M.R.*, RUELLE P.
 
* DEPARTMENT OF WATER ENGINEERING, FACULTY OF AGRICULTURE, UNIVERSITY OF GUILAN, RASHT, IRAN
 
Abstract: 

Reducing evapotranspiration (ETc) is one of the ways to reduce water use in agriculture. Creating or putting mulch on the soil surface can reduce ETc. Establishing a cover crop between harvest and cultivation of the main crop can produce enough mulch on the soil surface. An experimental study carried out to assess different impacts of no tillage system under crop mulch (DSM) compared with conventional tillage (CT) in the Southeast of France (being in a Mediterranean climate) from 2000 to 2007. In this paper, the impacts of DSM on the ETc were studied. Zero flux plane method was used to determine ETc. The results showed that mulch reduced ETc for corn, sorghum and durum wheat from 29 to 118 mm as compared with CT. This reduction resulted in saving approximately a water depth application of 30 mm, being considerable in a context with water deficiency.

 
Keyword(s): NO TILLAGE SYSTEM, CONVENTIONAL TILLAGE, EVAPOTRANSPIRATION
 
References: 
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