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本试验是继国营农场机械化耕作制度研究中的耙槎播种和紧密度试验之后的又一专题试验,目的在于探求耕层土壤的肥力,在层次间垂直分布的状况及其变化动态。为我省黑土地区的土壤耕作改制提供依据。试验自1963年至1965年作了三年。1978年为了进一步检验以前得出的结果,又进行了该项试验。现将试验结果总结如下,供讨论耕作改制的参考。
This experiment is another special experiment after planting and compaction testing of mechanized tillage in state-run farms. The purpose of this experiment is to find out the fertility of topsoil, the vertical distribution among tiers and its dynamics. Provide the basis for soil cultivation and reformation in the black soil area of our province. The experiment took three years from 1963 to 1965. 1978 In order to further test the results previously obtained, but also conducted the test. The test results are summarized below, for reference farming reform.