tailieunhanh - Research on infiltration spread in soil of drip irrigation technique for grape leaves at the water scarce region of Viet Nam

The technique of drip irrigation is a solution of water saving for crops in the scarce region. Water is supplied on the soil surface directly, continuously and regularly by drippers and then it infiltrates into the cultivated soil layer to ensure that plants will grow and develop well. | Research on infiltration spread in soil of drip irrigation technique for grape leaves at the water scarce region of Viet Nam TUYEÅN TAÄP KEÁT QUAÛ KHOA HOÏC amp COÂNG NGHEÄ 2016 RESEARCH ON INFILTRATION SPREAD IN SOIL OF DRIP IRRIGATION TECHNIQUE FOR GRAPE LEAVES AT THE WATER SCARCE REGION OF VIETNAM Tran Thai Hung Tran Vo Khac Tri Le Sam ABSTRACT The technique of drip irrigation is a solution of water saving for crops in the scarce region. Water is supplied on the soil surface directly continuously and regularly by drippers and then it infiltrates into the cultivated soil layer to ensure that plants will grow and develop well. During the experimental process of researching on soil moisture of drip irrigation technique to determine the suitable irrigation schedule for Grape Leaves at the water scarce region the authors carried out the experiment and observed infiltration spread. Based on calculated and observed results the authors have proposed correlation of parameters as follows infiltration depth average radius of wetting front on horizontal direction irrigation water amount versus time velocity of horizontal vr and vertical vz permeability of drip irrigation technique. The correlation coefficients of parameters are high R2 from to and conformable to research on soil moisture dynamic in order to determine the suitable irrigation schedule for Grape leaves in particular and for terrestrial plants with short roots in general at the water scarce region of the South Central region of Vietnam. Keywords Correlation Drip Irrigation Infiltration Irrigation Schedule Permeable Velocity 1. INTRODUCTION The experimental analysis results of water infiltration spread in soil H. Darcy 1885 Green and Anpt 1911 Kostiakov 1932 Phillipe 1957 have been showed that the infiltration process was divided into two phases unstable infiltration absorbent and stable one. Water spread in soil depends on soil type structures and irrigation techniques. For different types of .

• Nông nghiệp
• Technique of drip irrigation
• Solution of water saving
• Soil surface directly
• Cultivated soil layer
• Schedule for Grape Leaves
• Planting geometry
• Single eye bud seedling planting technique
• Drip irrigation
• Seedling planting technique
• Profitability under drip irrigation
• Planting technique