wide - narrow造句

• No matter hybrid rice or conventional rice varieties , erect and semi - erect panicle rice varieties were suitable for equal row spacing cultivation for intercepting mare light at canopy , while curved - panicle rice varieties were for wide - narrow row spacing cultivation for improving light intensities of middle and lower layer leaves
  但不同类型品种适宜的栽培方式不同：杂交稻适宜插单苗，而常规稻适宜插3苗；不论是杂交稻还是常规稻，直立穗型和半直立穗型品种适宜等行距栽培以减少群体漏光，弯曲穗型品种适宜宽窄行栽培以改善中下层叶片的光照条件。