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Issue:
Effect of mixing on the physical properties of reed residue substrate
Author(s):
LI Qiansheng
,
PEI Xiaobao
,
GUO Shirong
,
LI Shijun
Pages:
23
-
26
Year:
2003
Issue:
3
Journal:
JOURNAL OF NANJING AGRICULTURAL UNIVERSITY
Keyword:
芦苇末
;
基质
;
复配
;
物理性状
;
Abstract:
研究了芦苇末基质与泥炭、蛭石、珍珠岩等常用基质混合后的体积收缩、容重、孔隙分布和吸水性等物理性状的变化规律.当芦苇末混合10%~25%蛭石时,复配基质的总孔隙度在75%左右,持水孔隙约55%,而通气孔隙在15%~20%,固、液、气三相比例适合作物生长;同时按这一比例混合的基质吸水性得以最大改善,低含水量基质的可湿性显著提高.
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