ZHANG Zhe,MA Lin,WEI Dan.Study of Different Plant Modes on Soil FertilityImprovement in Nenjiang County[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(12):34-38.
嫩江县不同种植模式对土壤肥力影响的研究
- Title:
- Study of Different Plant Modes on Soil FertilityImprovement in Nenjiang County
- 文章编号:
- 1002-2767（2012）12-0034-05
- Keywords:
- soil fertility; tillage pattern; plant mode
- 分类号:
- S344
- 文献标志码:
- A
- 摘要:
- 由于不合理的耕作和施肥，嫩江县土壤肥力减退、耕地质量下降，酸化现象日趋严重，已成为影响黑龙江省粮食安全潜在的重要问题及土壤综合生产潜力下降的重要因子。为了培肥土壤，改善耕地质量，通过调查和田间试验方法，研究了嫩江县不同种植模式对土壤肥力的影响。结果表明：与春耙茬和原垄种的耕作方式相比，嫩江县深松耕作方式能够改善土壤理化性质，增加土壤通气透水性，显著降低土壤容重，促进大豆生长发育，提高大豆产量。该区域原垄种及秋耙茬+重茬产量最低，仅为913.88～1 285.47 kg·hm-2，比其它种植模式产量低8%～38%，同时呈现连作时间越长产量越低的趋势。大西江农场浅翻深松种植模式的产量为2 080.34 kg·hm-2，为该地区最高。
- Abstract:
- Due to unreasonable cultivation and fertilization pattern,soil fertility reduction,land quality declination and soil acidification serious in Nenjiang county,which became important factors for threatening integrated potential productivity and food security of Heilongjiang province.In order to fertility soil and improve land quality,the effect of different plant modes on soil fertility was studied in Nenjiang county through investigation and field experiment.The results showed that compared to the cultivation patterns of spring harrowing and original ridge tillage,the subsoiling pattern was beneficial to improve soil physical and chemical properties,improve water permeability and soil aeration,decrease soil bulk density obviously,accelerate soybean growth and increase soybean yield.The yield of the original rage and harrow stubble in autumn+ continuous planting were the lowest,913.88～1 285.47 kg·hm-2，lower than others by 8%～38%,and the longer of the continuous cropping,the lower of the yield.The yield of subsoil planting in Daxijiang Farm was the highest,was 2 080.34 kg·hm-2.
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备注/Memo
基金项目：国家自然科学基金资助项目（41170245）；农业部现代化产业技术体系资助项目（CARS-04-01A）