Yumshatish (bo’shatish, g’ovaklash)

Yumshatish (bo’shatish, g’ovaklash) – tuproqqa havo kirishini oshiradigan kichik ishlov berish. Yumshatish natijasida tuproq qobig’i yo’q qilinadi, begona o’tlar nihollari yo’q qilinadi va begona o’tlarning katta ildizlari qazib olinadi. Masalan: portlatib yumshatish, chuqur yumshatish, gruntni yumshatish, muzlagan gruntni yumshatish, muzlagan qatlamni yumshatish, mexanik usulda yumshatish, yerni yumshatish va hokazolar.