下列哪些情况下种子的容重大?

种子物理特性-容重、比重、千粒重、密度、孔隙度

Quiz
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Specialty
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University
•
Hard

娇 管
Used 4+ times
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14 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
混杂物种类、数量——大型、沉重
水分和油分含量——高
内部结构——充实致密
表面性状——圆而光滑
粒大小、整齐度—— 粒大、不整齐
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
一般情况下,种子水分越低,容重越___
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
原来品质优良的种子,可能因收获后清理不够细致,混有较多轻的杂质而使容重____
降低
升高
不变
先增加后降低
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
油料作物种子可能因____含量特别高,容重反而较低
5.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
种子表面光滑无附属物、致密角质、脂肪少,比重_____
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
同一品种种子,愈成熟、愈饱满,比重愈____
7.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
种子的油质越高,比重越____
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