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新闻详情
怎样用微耕机才干把土地深翻好
时间:2014-12-06 来源:微耕机 作者:管理员

 

    要把土地深翻好首先要因土制宜,这是根本条件。由于土壤条件不同,微耕机耕翻深度应有差异。普通来说,黑土层厚的土壤,它的上下层营养含量都比拟丰厚,有丰厚的有机质,肥力较高,微耕机耕翻后,翻上来的生土,很快就能熟化,一次耕翻过深,翻上来的生土,一时不易熟化,耕翻就应浅些,这类土壤要逐年加深,使下层土壤性质逐步变好;有些土壤土层上砂下粘或上粘下砂,深翻能够将砂粘层掺和,改善土壤质地。
 
    但要留意,如粘土层下面的砂土层深沉,微耕机深耕废除粘土层后,可能惹起漏水漏肥的不良结果,应把耕深控制在不完整毁坏粘土层为限;较粘重的土壤,因土壤孔隙度小,透气性不良,所以耕翻深度能够比砂质土深些;在盐碱地,如表土含盐比底土多时,可耕得深些,如表土含盐比底土少,用微耕机要耕得浅些。
 
  看施肥几,肥多能够用微耕机耕深些,肥少要浅些。由于深翻的增产作用,必需是在增施有机肥料的根底上取得,假如只是土层深翻了,没有相应的肥料跟上,是得不到明显效果的,所以在肥源缺乏的状况下,耕翻不宜大深,耕翻时要控制熟土在上,生土层只犁不动,或者把肥料施在根系集中的土层内,并精耕细耙,发明一个比拟深沉的,上虚下实,水肥充足的耕层。