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thinning and prunning skill of ancient China
释义
thinning and prunning skill of ancient China
Encyclopedia
农学
古代匀苗整枝理蔓
释
thinning and prunning skill of ancient China
中国古代匀苗整枝理蔓
在长期生产实践中,中国先民已认识到通过改变作物田间布局和作物株形,可使作物有效利用光、温、水、气、肥等资源,从而达到丰产的目的。
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n-commutable element
n-complex
n-conformal volume
n-connected
n-connected domain
n-connected graph
n connectedness
n-connectedness
n connected schlichtartig Riemann surface
n-connected schlichtartig Riemann surface
n-connected space
n-continuum
N-corrected metabolizable energy
NCP
ncRNA
NCS
NCSI
NCT
n cube
n-cube
NCV
NCVER
NCX
n-cycle
n-cylinder set
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