Rotary tiller hniav feem ntau tuaj nyob rau hauv ob hom: ncaj nuv hniav thiab nkhaus hniav. Curved hniav yog ntxiv rau sab laug- nkhaus thiab sab xis- hom nkhaus. Cov hniav ncaj ncaj muaj qhov tsis kam tiv thaiv tsawg dua thaum nkag mus rau hauv av tab sis muaj kev ua haujlwm tsis zoo thiab ua rau cov nroj tsuag nkag mus. Lawv tsim nyog rau cultivation nyuaj av nrog tsawg weeds. Curved hniav muab zoo dua tig thiab tawg ntawm cov av thiab yog haum rau paddy teb thiab kuj moist, xoob, qhuav- av cultivated.
Txoj kev teeb tsa ntawm cov hniav nkhaus muaj qhov cuam tshuam loj rau qhov qib ntawm qhov tilled nto. Txoj kev teeb tsa yuav tsum raug xaiv raws li kev cog qoob loo sib txawv. Txoj kev txhim kho staggered suav nrog sab laug thiab txoj cai nkhaus hniav raug ntsia symmetrically thiab alternately rau ntawm cov hniav ncej, uas ua rau ib theem nto haum rau ca cultivation. Cov txheej txheem kev teeb tsa sab hauv suav nrog ob sab laug thiab sab xis nkhaus hniav khoov ntawm qhov chaw ntawm cov hniav ncej, tsim kom muaj lub voj voog nyob nruab nrab ntawm qhov chaw tilled, haum rau ridging lossis furrowing ua haujlwm. Txoj kev teeb tsa sab nrauv suav nrog ob sab laug thiab sab xis nkhaus hniav khoov ntawm ob qho kawg ntawm cov hniav ncej, tsim kom muaj qhov ntiav ntiav nyob hauv nruab nrab ntawm qhov chaw tilled, haum rau ridging los yog ua ke rotary tillage thiab ditching kev khiav hauj lwm.
Thaum txhim kho cov hniav, xyuam xim rau cov kev taw qhia kev sib hloov ntawm cov hniav ncej kom tiv thaiv kev teeb tsa tsis raug lossis thim rov qab. Cov hniav yuav tsum tau symmetrically teem rau ntawm ob qho kawg ntawm cov hniav ncej centerline, thiab cov hniav rov qab yuav tsum tsis txhob muab tso rau hauv av. Cov kev taw qhia ntawm kev teeb tsa ntawm lub tiller lub plough hniav khoov yuav tsum tau txiav txim siab raws li cov av saum npoo av. Rau kev ua haujlwm rigging, lub plough hniav khoov yuav tsum tau ntsia sab nraud; rau kev ua haujlwm furrow filling, lawv yuav tsum tau nruab rau sab hauv; thiab rau kev tillage dav dav, yuav tsum tau nruab ib qho kev sib tov ntawm plough hniav khoov.
Ntawm moldboard plows, lub voj voog plows yog feem ntau muab tso rau hauv nruab nrab ntawm lub plow lub cev sib dhos kom txiav cov ntoo me me hauv paus thiab cov nroj tsuag, txhim kho npog zoo.
Tillage qhov tob tuaj yeem hloov kho siv cov cuab yeej tshwj xeeb tillage lub kaum sab xis hloov kho, xws li lub cev muaj zog uas hloov qhov tob ntawm lub plough hniav rollers hauv av.
