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Spring and summer nitrogen applications to Vina walnuts
Author(s) -
William Richardson,
R E Meyer
Publication year - 1990
Publication title -
california agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.472
H-Index - 25
eISSN - 2160-8091
pISSN - 0008-0845
DOI - 10.3733/ca.v044n04p30
Subject(s) - twig , spring (device) , orchard , nitrogen , environmental science , agronomy , yield (engineering) , crop , nitrogen deficiency , horticulture , biology , chemistry , engineering , mechanical engineering , materials science , organic chemistry , metallurgy
Walnut yield responses to nitrogen applied in spring or fall, or split between spring and fall varied in an experiment on deep alluvial Columbia soil. Leaf and twig nitrogen responded most to recently applied nitrogen. Matching the crop's rate of nitrogen removal with the nitrogen application rate and monitoring plant nutritional status with leaf analysis should contribute to economical, environmentally sound walnut orchard management.

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