Feasibility of usage of recycle paper mulching in upland field

旱地再生纸复盖的土壤温度低于地膜复盖或裸地。在夏季良好的气候条件下，再生纸复盖与裸地在地表下5 cm处的最大土壤温差约为8~10ﾟC。因此，再生纸复盖很难像普遍使用的聚乙烯复盖那样通过升温来保护作物免受寒冷或促进植物生长。旱地再生纸复盖的另一个显著特点是不需要除草剂，因为纸下不种草。我们尝试在夏季沙地条件下使用再生纸复盖栽培日本萝卜，因为据说在炎热的条件下种植日本萝卜很困难结果表明，再生纸覆盖栽培日本萝卜的可行性在夏季沙地条件下具有较高的潜力。2)再生纸覆盖种植的种植孔是利用再生纸的应变通过灌溉和烘干而移动的。3)地膜再生纸在19周内失去了覆盖材料的作用，看起来像是被泥土融化了，我们还尝试了管棚花卉栽培的可行性。结果表明，随着时间的推移，再生纸覆盖容易失去对土壤温度的抑制作用。包括再生纸在内的各种覆盖材料在管内种植土耳其风铃花的收获试验结果表明，覆盖材料之间的收获效果不显着。

The recycle paper mulching in upland field occurred lower temperature in the soil compared with vinyl mulch or bare land. Under the fine climate condition in summer season, the maximum difference of soil temperature between recycle paper mulching and bare land at 5 cm under soil surface is about 8-10ﾟC.It is therefore difficult to use the recycle paper mulching to protect crops from the cold temperature or to promote the growing of the plant by rising temperature like popularly used the polyethylene mulching.Another notable feature of the recycle paper mulching in upland field is no need the weed killer because of the no growing grasses under the paper.We tried to cultivate the Japanese radish under summer condition in sandy field used by the recycle paper mulching because it is said to difficult cultivating the Japanese radish under hot climate season.The following results were obtained.1) It is said that the feasibility of usage of recycle paper mulching to cultivate the Japanese radish has high potentiality under summer condition in sandy field.2) The planting holes of the recycle paper mulching were moved by strain of the paper by the irrigation and drying. As the results, the young stems of the Japanese radish attached to the paper bent toward the attached paper.3) The recycle paper for the mulch was lost the function of the mulching materials within 19 weeks and seemed the paper melted with soil.We also tried to find the feasibility of the usage of the flower cultivating in the pipe house. As the results, the recycle paper mulching has tendency to lose the effect of soil temperature restraint with passage of time. The harvesting results of the Turkish bellflower growing test in the pipe hpose using various mulching materials including recycling paper had no significant betweem mulching materials.