摘要
掌握农田土壤水分的动态变化,采取相应措施,根据土壤水分变化和作物需水规律实行优化灌溉,可以达到合理用水,节约水资源,提高经济效益的目的。灌溉量预报在指导农业合理灌溉,最大限度的发挥水资源优势和总体效益,夺取丰产丰收,促进农业发展等方面有重要的参考价值。
The master of the dynamics of soil moisture changes, to take appropriate measures, in accordance with changes in soil moisture and crop water requirement of irrigation to optimize the implementation of the law, you can achieve a reasonable use of water, saving water resources, the purpose of improving economic efficiency. Irrigation agriculture in guiding the rational prediction of irrigation, water resources play a maximum advantage and the overall effectiveness, and win high - yield harvest, the promotion of agricultural development in such areas as an important reference value.
关键词
土壤水分
灌溉
预报
soil moisture
irrigation
forecast