東華大學圖書館 |

語系: 繁體中文

說明(常見問題)

回圖書館首頁

手機版館藏查詢

登入

回首頁

切換: 標籤 | MARC模式 | ISBD

Sand-based turfgrass root-zone modif...

Brockhoff, Shane Robert.

FindBook

Google Book

Amazon

博客來

Sand-based turfgrass root-zone modification with biochar.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Sand-based turfgrass root-zone modification with biochar./
作者:	Brockhoff, Shane Robert.
面頁冊數:	40 p.
附註:	Source: Masters Abstracts International, Volume: 48-05, page: 2816.
Contained By:	Masters Abstracts International48-05.
標題:	Agriculture, Agronomy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1476280
ISBN:	9781109776041

Sand-based turfgrass root-zone modification with biochar.
Brockhoff, Shane Robert.

Sand-based turfgrass root-zone modification with biochar. - 40 p.

Source: Masters Abstracts International, Volume: 48-05, page: 2816.

Thesis (M.S.)--Iowa State University, 2010.

Sand-based turfgrass root-zones are limited in nutrient retention and water holding capacity. Peat moss is often used to offset these deficiencies, but peat moss is prone to decomposition. Biochar, a co-product of the fast pyrolysis process used to produce bio-oil, may have similar benefits as peat moss while being less prone to decomposition. In addition, because biochar is relatively stable over time, sand-based turfgrass ecosystems established with biochar may become a viable long term carbon sequestration vehicle. At field capacity, sand-based media containing 25% biochar retained 63 and 73% more water compared to media containing 5% biochar and a pure sand control, respectively. Sand media containing 25% biochar resulted in a saturated hydraulic conductivity (Ksat) of 6.6 cm hr-1, whereas, 5% biochar media and pure sand resulted in Ksat of 55.9 and 84.8 cm hr-1, respectively. The rooting depth of bentgrass was reduced up to 46% at biochar concentrations greater than 10%. Leachate electroconductivity increased from 1.5 mmhos cm-2 to 3.4 mmhos cm-2 and dissolved total organic carbon increased from 20 ppm to 340 ppm as biochar concentrations increased from 0 to 25%. Leachate nitrate and ammonium concentrations decreased from 5 ppm to 0 ppm and 0.8 ppm to 0.2 ppm, respectively, as biochar concentrations increased. Soil phosphorus and potassium increased from 0 ppm to 118 ppm and 21 ppm to 892 ppm, respectively, as biochar concentrations increased.

ISBN: 9781109776041Subjects--Topical Terms:

1018679
Agriculture, Agronomy.

Sand-based turfgrass root-zone modification with biochar.
LDR:02443nam 2200313 4500 001 1393249
005 20110311132643.5
008 130515s2010 ||||||||||||||||| ||eng d
020 $a 9781109776041
035 $a (UMI)AAI1476280
035 $a AAI1476280
040 $a UMI $c UMI
100 1 $a Brockhoff, Shane Robert. $3 1671763
245 1 0 $a Sand-based turfgrass root-zone modification with biochar.
300 $a 40 p.
500 $a Source: Masters Abstracts International, Volume: 48-05, page: 2816.
500 $a Adviser: Nick E. Christians.
502 $a Thesis (M.S.)--Iowa State University, 2010.
520 $a Sand-based turfgrass root-zones are limited in nutrient retention and water holding capacity. Peat moss is often used to offset these deficiencies, but peat moss is prone to decomposition. Biochar, a co-product of the fast pyrolysis process used to produce bio-oil, may have similar benefits as peat moss while being less prone to decomposition. In addition, because biochar is relatively stable over time, sand-based turfgrass ecosystems established with biochar may become a viable long term carbon sequestration vehicle. At field capacity, sand-based media containing 25% biochar retained 63 and 73% more water compared to media containing 5% biochar and a pure sand control, respectively. Sand media containing 25% biochar resulted in a saturated hydraulic conductivity (Ksat) of 6.6 cm hr-1, whereas, 5% biochar media and pure sand resulted in Ksat of 55.9 and 84.8 cm hr-1, respectively. The rooting depth of bentgrass was reduced up to 46% at biochar concentrations greater than 10%. Leachate electroconductivity increased from 1.5 mmhos cm-2 to 3.4 mmhos cm-2 and dissolved total organic carbon increased from 20 ppm to 340 ppm as biochar concentrations increased from 0 to 25%. Leachate nitrate and ammonium concentrations decreased from 5 ppm to 0 ppm and 0.8 ppm to 0.2 ppm, respectively, as biochar concentrations increased. Soil phosphorus and potassium increased from 0 ppm to 118 ppm and 21 ppm to 892 ppm, respectively, as biochar concentrations increased.
590 $a School code: 0097.
650 4 $a Agriculture, Agronomy. $3 1018679
650 4 $a Agriculture, Horticulture. $3 1017832
650 4 $a Agriculture, Soil Science. $3 1017824
690 $a 0285
690 $a 0471
690 $a 0481
710 2 $a Iowa State University. $b Horticulture. $3 1671764
773 0 $t Masters Abstracts International $g 48-05.
790 1 0 $a Christians, Nick E., $e advisor
790 1 0 $a Killorn, Randy J. $e committee member
790 1 0 $a Taber, Henry G. $e committee member
790 $a 0097
791 $a M.S.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1476280