【摘要】 研究了不同畦宽(90cm、130cm、170cm)沟灌渗透栽培与常规淹水栽培对直播水稻根、茎、叶生长发育特性、机能及其产量的影响。结果表明:合理畦宽的沟灌渗透栽培不但可以促进根、叶的生长发育,而且能改善根系的机能、冠层叶的性状和结构,塑造良好的株型,提高单位面积穗粒数、结实率、千粒重,达到节水增产的效果。更多还原

【Abstract】 The influence of different irrigation methods on the growth characteristics, functions and yield of the roots, stem and leaves of direct- seeding rice was studied in this paper. The irrigation methods included conventional flooding irrigation and penetration through ditch irrigation with different farmland width as 90cm, 130cm and 170cm. The result shows that penetration through ditch irrigation with reasonable farmland width can not only promote the growth and development of roots and leaves, but also improve the function of roots system and the quality and structure of coronal lamina, make better plant shape, increase the number of grain per unit area, the rate of fruition and the weight per thousand pieces, to gain the result of increasing yield and saving water.更多还原