KUANG En-jun,LIU Feng,et al.Effect on Physical-chemical Properties ofPlanosol with Subsoil Fertilizing[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):56-59.[doi:10.11942/j.issn1002-2767.2008.03.0056]
心土培肥改良白浆土后效调查
- Title:
- Effect on Physical-chemical Properties ofPlanosol with Subsoil Fertilizing
- 文章编号:
- 1002-2767(2008)03-0056-04
- Keywords:
- Plano so l; pho sphor us ; calcium ; subsoil fer tilizing ; physical-chemical proper ties
- 分类号:
- S155 .2+6
- 文献标志码:
- A
- 摘要:
- 试验于2002 年采用心土培肥犁进行大田作业处理, 将白浆土的白浆层和淀积层混拌, 并向混拌层施入改土物料钙肥和磷肥。4 年后调查土壤理化性质, 结果表明:心土混层改土区与对照区相比20 ~ 35 cm 土层土壤固相比例降低, 液气比例有所上升;孔隙度20~ 50 cm 机械处理区平均比对照高5.00% ~ 6.68 %, 说明机械处理4年后改土效果仍然十分明显。白浆土心土有效磷含量随施磷量的增加而增加, 心土施钙提高土壤pH 。连续3年产量调查结果, 磷和钙配施增产效果最好, 比对照平均增产20.27 %。
- Abstract:
- The ex periment used the subsoil fertilizing plough mix ed Aw layer w ith horizo n B and put some fertilizers such as pho sphate and ca lcium into the mix ed layer s in 2002.The results which investig ated the phy sicalchemicalproper ties af te r 4 year s showed that the solid phase o f treatment w as lowe r than unco ntrolled in 20 ~35cm laye rs , liquid and air pha ses o f trea tme nt were higher than uncontr olled;and the ave rage po ro sity of treatmentw as lar ger than that of uncontr olled by 5.00 %~ 6.68 %.So after 4 y ear s, the effect w as still obvio usly .Theavailable P co ntent of pla no so l subsoil increa sed alo ng with the quantity of phospha te w e put in.The subsoil w asexecuted Ca to e nhance the soil pH .The yield show ed that Subsoil-fer tilizer with Ca and P made the effect o f pr oductionincreasing to be best , hig her than uncontro lled by 20.27 % on averag e in 3 y ears .
参考文献/References:
[ 1] 黑龙江省土地管理局.黑龙江土壤[ M] .北京:农业出版社, 1992 .
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备注/Memo
基金项目:黑龙江省政府博士后基金资助项目