irrigation management
5.The population physiological characteristics of both small spike-type cultivar (yumai 49) and large spike-type cultivar (yumai 66) were studied under field conditions, and the regulating effects of nitrogen and irrigation management were investigated as well.
6.Available water capacity (AWC) of soil is important for studying soil humidity, irrigation management, ecological agricultural planning, evaluation of crop growth potential and simulation of change of globe land cover under affection of economical factors and climate changes.
8.The Water Management Research Unit is an interdisciplinary group of scientists conducting research in irrigation water management and methyl bromide alternatives.
9.‘Poplaris’〕shelterbelt and P. alba var.pyramidalis(P. alba var.pyramidalis) shelterbelt to the salt equilibrium in the protecting zone in Hetao irrigation area and supplies basic data to the analysis on the equilibrium of water and salt and irrigation area management.
