HE Jing,LI Yanan,XIONG Yufei.Effects of Different Soil Amendment on Soil Nutrients[J].Northern Horticulture,2021,(14):94-99.[doi:10.11937/bfyy.20204696]
不同土壤改良剂对土壤养分的影响
- Title:
- Effects of Different Soil Amendment on Soil Nutrients
- Keywords:
- soil amendment; soil nutrient; soil compaction
- 文献标志码:
- A
- 摘要:
- 以草木炭、珍珠岩、化学松土剂3种土壤改良剂为试材，采用室内盆栽试验的方法，研究了3种土壤改良剂不同施量条件下对土壤紧实度、土壤养分及作物株高的影响，以期筛选出能够满足多重目标的土壤改良剂的最佳施配比例。结果表明：最优的株高试剂为6%化学松土剂，最优的紧实度试剂为2%珍珠岩，最优的土壤速效钾、有效磷、全氮和有机质分别为4%草木炭、10%化学松土剂、8%草木炭和2%化学松土剂。每种试剂在针对不同的检测指标时，指标的指示值不尽相同，检测指标值在3种改良剂的作用下，变化波动较大，单一改良剂不能满足多种指标的期望值，后续需进行不同种类、配比的改良剂效用研究。
- Abstract:
- Straw charcoal,perlite and chemical amendment were used as test materials,a pot experiment was conducted to study the effects of three kinds of soil amendments on soil compaction,soil nutrients and crop plant height under different application rates.In order to select the best application ratio of soil amendments to meet multiple objectives.The results showed that the optimal plant height reagent was 6% chemical amendment,and the optimal compaction reagent was 2% perlite.The optimal soil available potassium,available phosphorus,total nitrogen and organic matter were 4% straw charcoal,10% chemical amendment,8% straw charcoal and 2% chemical amendment,respectively.When each reagent was used for different detection indexes,the indicator values were not the same.Under the action of the three modifiers,the changes of the detection index values fluctuates greatly,and the single modifier can′t meet the expected values of multiple indicators.In the follow-up,the effectiveness of different types and ratios of modifiers need to be studied.
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备注/Memo
第一作者简介：何靖（1992-），男，硕士，工程师，现主要从事土地工程、节水灌溉理论与技术等研究工作。E-mail：694081783@qq.com.基金项目：国家重点研发计划资助项目（2017YFC0504705）；陕西省创新人才推进计划（青年科技新星计划）资助项目（2020KJXX-051）；陕西省土地工程建设集团内部科研资助项目(DJNY2020-23，DJNY2020-24)。收稿日期：2020-11-09