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soil and water conservation farming measures
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soil and water conservation farming measures
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工学
水土保持农业耕作措施
释
soil and water conservation farming measures
水土保持农业耕作措施
在有水蚀和风蚀的农田中,采用增加地面糙率、改变地形、增加植物被覆与地面覆盖、增强土壤抗蚀力等方法,达到蓄水保土、改良土壤,提高农业产量,改善农产品质量的水土保持措施。又称水土保持耕作措施。
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method of multipliers
method of no-method
method of nonstandard analysis
method of nuclear recoil
method of oblique projections
method of observation
method of opposability
method of optimal coefficients
method of optimal elimination
method of optimization
method of orbits
method of orthogonal projection
method of paired comparison
method of parabolas
method of parallel translation
method of parameter introduction
method of partial fractions
method of partial waves
method of path coefficients
method of peak area measurement
method of peak height measurement
method of peak value measurement
method of penalty functions
method of persuasion education
method of phase diagrams
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