可降解育苗筒的降解及其对土壤养分和橡胶苗木生长的影响
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摘要
以可降解育苗筒培育橡胶树苗木,研究育苗筒的降解性能及其对土壤营养和苗木生长的影响,为应用可降解育苗筒培育橡胶苗提供理论依据。将小苗芽接桩插在育苗筒内培育至1蓬叶,然后将苗木与育苗筒一起栽植入土壤中,测量苗木的生长量,观测育苗筒在土壤的降解过程,分析育苗筒降解后土壤养分特征的变化。结果表明,苗木与可降解育苗筒一起种植,其生长率与裸根团种植的苗木无显著差异;可降解筒在土壤中2个月出现明显降解, 7个月后基本降解完成;降解后,土壤的养分结构无显著变化。
Degradable root training containers were applied to raise hevea buddings at the nursery, and the degradation characteristics and effect of the degradable root training containers on soil nutrients and plant growth were observed and analyzed. The buddings raised in the degradable root training containers were planted in the holes with the containers attached after they grew into a whorl of the leaves, and their plant growth and the degradation of the degradable root training containers was observed. The change of soil nutrients prior to and post to transplanting of the buddings was compared and analyzed after the containers were degraded. The results showed that the buddings transplanted with or without attachment of the containers were not significantly different in terms of plant growth rate. The degradable containers in the soil obviously degraded within 2 months and their degradation was completed generally after 7 months of degradation. The containers had little influence on soil nutrients after their degradation. The results provided evidence of applying degradable containers in raising of buddings at the nursery.
Degradable root training containers were applied to raise hevea buddings at the nursery, and the degradation characteristics and effect of the degradable root training containers on soil nutrients and plant growth were observed and analyzed. The buddings raised in the degradable root training containers were planted in the holes with the containers attached after they grew into a whorl of the leaves, and their plant growth and the degradation of the degradable root training containers was observed. The change of soil nutrients prior to and post to transplanting of the buddings was compared and analyzed after the containers were degraded. The results showed that the buddings transplanted with or without attachment of the containers were not significantly different in terms of plant growth rate. The degradable containers in the soil obviously degraded within 2 months and their degradation was completed generally after 7 months of degradation. The containers had little influence on soil nutrients after their degradation. The results provided evidence of applying degradable containers in raising of buddings at the nursery.
引文
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[2]甘霖,覃碧,范高俊,等.海南天然橡胶优良种苗生产面临的问题及对策[J].热带农业工程,2014, 38(3):36-40.
[3]应东山,李莉萍,王琴飞,等.天然橡胶良种补贴苗木调研[J].中国热带农业, 2014(6):23-26.
[4]崔月峰,孙国才,王桂艳,等.优质水稻品种铁粳11轻简化栽培技术[J].中国种业, 2017(4):81-83.
[5]董静,秦丹丹.《湖北省大麦轻简化栽培技术规程》通过专家评审[J].湖北农业科学, 2017, 56(5):965.
[6]李霞,郑曙峰,董合忠.长江流域棉区棉花轻简化高效栽培技术体系[J].中国棉花, 2017, 44(12):32-34.
[7]周毅红.淮北地区夏玉米轻简化高产栽培技术[J].现代农业科技, 2015(19):42-44.
[8]孙超,林良斌,唐伟杰,等.关于轻简化油菜种植技术和几点思考[J].南方农机, 2017, 48(19):17-20.
[9]橡胶树小筒苗种植技术[J].世界热带农业信息, 2018(1):30-31.
[10]姜益娟,郑德明,朱朝阳.残膜对棉花生长发育及产量的影响[J].农业环境保护, 2001, 20(3):177-179.
[11]张文群,金维续,孙昭荣,等.降解膜残片与土壤耕层水分运动[J].土壤肥料, 1994(3):12-15.
[12]袁海涛,于谦林,王丽红,等.可降解地膜降解性能及对棉花生长的影响[J].华北农学报, 2017, 32(S1):347-352.
[13]崔百元,张振飞,孔谦.天然生物可降解性材料在农业领域中的应用[J].中国农学通报, 2013, 29(24):5-10.
[14]谭志坚,王朝云,易永健,等.可生物降解材料及其在农业生产中的应用[J].塑料科技, 2014, 42(2):83-89.
[15]鲍士旦.土壤农业化学分析(第3版)[M].北京:中国农业出版社, 2000:30-108.
[16]中国土壤学会.土壤农业化学分析方法[M].北京:中国农业科技出版社, 2000:147-190.
[17]何文清,赵彩霞,刘爽,等.全生物降解膜田间降解特征及其对棉花产量影响[J].中国农业大学学报,2011, 16(3):21-27.
[18]陆海旭.生物可降解塑料的发展现状与趋势[J].化学工业, 2016, 34(3):7-14.
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