ZHANG Lu,HAN Jichang,WEI Jing.Effects of Different Added Materials on Soil Moisture of the Winter Wheat Field in the Reclaimed Vacancy Village Before Winter[J].Research of Soil and Water Conservation,2017,24(04):123-126,132.
空心村整治不同还田材料对冬小麦越冬前土壤水分的影响
- Title:
- Effects of Different Added Materials on Soil Moisture of the Winter Wheat Field in the Reclaimed Vacancy Village Before Winter
- Keywords:
- vacancy village; reclamation; field material; moisture conetnet; water storage
- 分类号:
- F323.24;S152.7+1
- 摘要:
- 在进行空心村整治复垦的同时，需添加适当的材料来提高其可耕性，通过研究不同还田材料在冬小麦越冬前的土壤水分含量及剖面储水状况，来选择保水性较好的材料进行空心村整治还田。采用烘干法，分别在无还田材料，有机肥（鸡粪）还田，粉煤灰还田，有机肥+粉煤灰还田四种处理下，在冬小麦的出苗期、三叶期和分蘖期测定土壤剖面105 cm内水分含量，每15 cm测定一次，并计算各个生育期的土壤储水量。结果表明：用不同材料进行空心村整治还田的土壤水分含量不同，在冬小麦越冬前，用有机肥加粉煤灰还田后土壤0—105 cm剖面各土层平均含水量为18.69%，比单独用有机肥还田高出1.72%，比单独用粉煤灰还田高出1.07%，比无还田材料高出2.84%。土壤剖面储水量也以使用有机肥加粉煤灰还田后的为最大，为239.01 mm，高于单独用有机肥的18.17 mm，高于单独用粉煤灰还田处理的18.92 mm，高于无还田材料的26.05 mm。因此，在对空心村进行整治复垦为耕地时，就水分利用及储水保水性而言，用有机肥加粉煤灰进行空心村整治还田处理时土壤水分状况最佳。
- Abstract:
- With vacancy village reclamation, appropriate materials were used to improve the arability of cultivated land. The soil moisture content and water storage in the winter wheat fields with different added materials before winter were examined in order to choose better water-retaining property materials which can be applied to return to farmland in vacancy village reclamation. Under the four kinds of treatments of no returning material, organic fertilizer (fowl manure), fly ash and organic manure with fly ash, moisture contents were measured within 105 cm of soil profile using drying method during seedling, trefoil and tiller of winter wheat, which was measured in interval of 15 cm soil layer, and soil water storage in each growth period of winter wheat was calculated. The results showed that soil moisture content was different with different returning materials which were applied to vacancy village reclamation. Before overwintering of winter wheat, the average soil water content was 18.69% in each soil layer in 0—105 cm soil profile after the use of organic fertilizer with fly ash returning, which was higher than the single use of organic fertilizer (1.72%), fly ash (1.07%) and no returning material (2.84%), and water storage capacity of soil profile was also the largest that was 239.01 mm because organic fertilizer with fly ash was added to arable land of vacancy village reclamation, which was higher than the separate use of organic fertilizer (18.17 mm), fly ash (18.92 mm), no returning material (26.05 mm). Therefore, when vacancy villages are reclaimed as arable land, returning organic fertilizer with fly ash into the land in vacancy village reclamation is the best among the four kinds of treatments with respect to water use and water-retaining property, and the soil moisture condition.
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备注/Memo
收稿日期:2016-07-27;改回日期:2016-08-07。
基金项目:国家科技支撑计划“山地丘陵区空心村整治关键技术集成示范”（2014BAL01B03）
通讯作者:韩霁昌(1968-),男,陕西渭南人,研究员,博士,主要研究土地工程及土地资源利用。E-mail:295120895@qq.com