22請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識別這些專利的責(zé)任。條耕整地機(jī)作業(yè)質(zhì)量規(guī)范本文件規(guī)定了條耕整地機(jī)的作業(yè)質(zhì)量要求、檢驗(yàn)方法和GB/T5262農(nóng)業(yè)機(jī)械試驗(yàn)條件測定方法的3.2機(jī)具耕作部件擾動土壤橫向總寬度占工作幅寬的百3.4單條帶耕作寬度workingwidthof4作業(yè)質(zhì)量要求4.1.3土壤的絕對含水率、土壤堅實(shí)度按照GB/T5262規(guī)定的方法進(jìn)行測量。4.2質(zhì)量要求1234565.1耕作深度和耕深穩(wěn)定性系數(shù)在測區(qū)內(nèi)進(jìn)行往返作業(yè)2個行程，每個行程沿機(jī)組前進(jìn)方向每條帶隔2a=·····································································（1）ai——第i個點(diǎn)的耕深值，單位為厘米（cm）；b)耕作深度穩(wěn)定性系數(shù)按公式（24）進(jìn)行計算。········································S=········································ai——第i個點(diǎn)的耕深值，單位為厘米（cm）；a——平均耕深，單位為厘米（cmaaU=1-V······································································（4）U——耕深穩(wěn)定性系數(shù)；5.2耕后地表平整度2個行程標(biāo)準(zhǔn)差的平均值作為平整度。按公式（5）計算耕后各等分點(diǎn)地表面至基準(zhǔn)線垂直距離的平均Yin··················································Y——耕后地表面至基準(zhǔn)線的垂直距離平均值，單位為厘米（cm）；Yi——第i個點(diǎn)的地表面至基準(zhǔn)線的垂直距離，單位為厘米（cmn——測點(diǎn)數(shù)。i=························································si——單個行程的耕后地表平整度，單位為厘米（cmYi——第i個點(diǎn)的地表面至基準(zhǔn)線的垂直距離，單位為厘米（cmY——耕后地表面至基準(zhǔn)線的垂直距離平均值，單位為厘米（cm）；n——測點(diǎn)數(shù)。S=Si·······································································（7）pNsi——單個行程的耕后地表平整度，單位為厘米（cmN——行程次數(shù)，N=2。5.3單條帶秸稈清理寬度在條耕整地機(jī)作業(yè)后的任意單條帶區(qū)域取垂直于機(jī)組前進(jìn)方向并起止于兩邊未清除秸稈明顯邊界5.4秸稈清除率試驗(yàn)前先選取面積25m2的區(qū)域稱取全部秸稈及雜草，計算試驗(yàn)前地表秸稈及雜草覆蓋單位面積J=1100%························································（8）J——秸稈清除率，以百分?jǐn)?shù)表示；W——試驗(yàn)前地表秸稈及雜草覆蓋單位面積質(zhì)量，單位為克每平方厘米（g/cm25.5動土率L=Li········································································（9）ni——第i個點(diǎn)的單條帶地面耕作寬度，單位為厘米（cmD=100%···························································（10）K——工作幅寬，單位為厘米（cm）。6.2