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2001,11
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Pedosphere
2001,11
(3)
Critical Range of Soil Boron for Prognosis of Boron Deficiency in Oilseed Rape
作 者：
Wei Youzhang
单 位：
关键词：
boron deficiency;critical range;oilseed rape
摘 要：
Relationship between seed yields of oilseed rape(Brassica napusL.)and extractable boron concen- trations in three soil layers(A, Pand W)were investigated through ten experiments on three types ofsoils(Alluvic Entisols, Udic Ferrisols and Stagnic Anthrosols)innorthern, western and middle Zhejiang Province. Among serveralmathematical models used to described the relationships, thepolynomial equation, Y = a + bx + cx~2 + ds~3, where y is the yieldof oilseed rape seed and x the extractable boron concentration In Player of soil, was the best one.
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