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標題: The Investigation of Different Vegetation Engineering in the Soil Conservation Efficacy on Cutting Slope of Mudstone Area
作者: 郭張權
Kuo, Chang Chuan
關鍵字: mudstone;泥岩;vegetation engineering;soil conservation;植生工法;土壤保育
出版社: 水土保持學系
泥岩地區 主要應用植生工法,試驗其植被覆蓋與土壤保育功效,探討其
適用性及改良方法等 ,期望能對於泥岩地區之植生復舊略盡綿薄之力。
試驗結果摘要如下: 1. 混播植物材料試驗結果,山鹽菁、
番石榴、青葙及賽芻豆生長較為良好,百喜 草及百慕達草因受青葙之
被壓與競爭作用而生長較差,相思樹及黃野百合之初期生 長狀況較差。
苗木穴植試驗結果中鐵刀木及長穗木存活率最高,大葉桃花心木存活 率
2. 不同植生工法之試驗結果,植生覆蓋度以植生帶法及擋土柵配合截留
束法最高 ,肥束網帶法最低。入侵植物數量及種類以擋土柵配合截留
束法最多,而肥束網帶 法最少。各植生工法之保肥效果差異不大。
3. 擋土柵配合截留束法之土壤水分保持能力較佳。
4. 土壤硬度改良以肥束網帶法最佳,而擋土柵配合截留束法土壤硬度反
而因客土 壓密增加。
5. 在土壤保育功效上以擋土柵配合截留束法最佳,而肥束網帶法最差。
建議 如下:
1. 建議於泥岩地區播用種子或栽植小苗進行植物馴化,以增加苗木移植
後之成活率 。
2. 由試驗結果得出,減少青葙之播用量,應可增加百喜草及百慕達草之
成活數及覆 蓋度。
3. 施工單價以擋土柵配合截留束法最高,而植生帶法較為經濟。
4. 各植生工法於初期土壤三相結構之改良上差異不大,仍應繼續觀察。
5. 建議施工前先進行泥岩土層養分調查分析,以決定施肥之種類及數量
並提高微量 元素之有效性。

Base on the thereological studies about the soil and
geological characteristics and successful field works
of watershed mangement on the mudstone area before,
this study was chosen some applied bioengineering
methods to measure vegetative cover, soil conservative
efficacy, advantages, aptness and improvement of vegetation
engineering on mudstone area academically and practically.
We wish to do something of vegetative restoration for
mudstone area. The results of this study are summarized as
follows: 1. On
the materials of mixed sowing: Roxburgh Sumac, guava, Feather
cockscomb and Siratro grow better than the others. Bahia grass
and Bermuda grass grow worse because of the oppression
by Feather cockscomb. Taiwan Acacia and Yellow Crotalaria
grow worse in the beginning. On hole planting, Siamese
Senna and Jamaica false-valarian grow well, but
Honduras Mahogany doesn''t.
2. Results of bioengineering methods: On the rate of vegetative
cover, the methods of vegetation mat and embankment with
interception bunch are better than the others. The
fertilizer method is worst. On the quantity and species
of intrusive plants, the method of embankment with
interception bunch makes most, and the fertilizer method makes
fewest. The differences between the fertilizer conservation
among all of the vegetation engineering methods in this
study are not visible. 3. On the water content of soil:
Using embankment with interception bunch is better.
4. On the improvement for soil hardness: The fertnet method is
the best. Embankment with interception bunch raises the
soil hardness because of the consolidation of
backfill. 5. On the soil
conservation efficacy: The method of embankment with
interception bunch is the best The fertnet method is the worst.
Evaluating the result of indoor experiments and field
investigations, we suggest that
The following experiments and studies should be done in the
future: 1. To make the livability of seedlings
transplantation better, seeds and seedlings should be
used for taming vegetation on mudstone. 2. Depending
on the results of experiments, decreasing the number of
Feather cockscomb seeds could be able to make Bahia grass and
Bermuda grass grow better.
3. The unit price of construction, which of the vegetation mat
method is more economical than others, of the method of
embankment with interception bunch costs most.
4. The differences of improvement for structure of soil three-
phase among all the vegetation engineering methods used
in this study are not visible. Further observation is
needed. 5. We suggest that the
investigation and analysis nutrients of mudstone soil layer
should be made before determining the species and quantity
for fertilization to rise the efficacy of microelements.
Appears in Collections:水土保持學系

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