【摘要】 利用土壤水分和土壤水吸力的内在关系,用测定土壤水吸力方法,进行水稻控制土壤水分灌溉;这种方法简便,仪器便宜,工作稳定,易于群众掌握,利于推广;我国已生产一种结构简单使用方便的测水笔,已在近几年水稻控制节水灌溉中应用。更多还原

【Abstract】 <Abstrcat> This paper introduces a simple and useful method for soil moisture control in the irrigation of paddy rice by applying the internal relationship of the soil moisture and soil absorption and by using the method for measuring the soil absorption. And a simple and usefull water-testing pen has been developed in this country and has been applied in soil moisture control in irrigation of paddy rice.更多还原