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当前位置: 首页 > 文章 > 洛南县核桃专用肥肥效试验 陕西林业科技 2016 (4) 53-56
Position: Home > Articles > Fertility Test of Walnut-oriented Fertilizers in Luonan Shaanxi Forest Science and Technology 2016 (4) 53-56

洛南县核桃专用肥肥效试验

作  者：
赵春莉;郭安柱;吴宽敏;张亚雯
单  位：
陕西省洛南县核桃研究所
关键词：
洛南;核桃;专用肥;生长量;产量
摘  要：
在洛南县选择具有代表性的核桃林,进行了核桃不同生长发育期专用肥肥效试验,结果显示核桃幼树期不同处理新梢长度、粗度生长量分别为24.02~28.95cm、0.82~0.91cm,Ⅰ型专用肥>普通化肥>不施肥,Ⅰ型专用肥分别比普通化肥和不施肥新梢长度提高7.5%和20.5%,粗度生长量提高7.1%和11.0%;初果期不同处理核桃树新梢长度、粗度生长量、单株产量分别为13.35~17.85cm、0.73~0.82cm、1.01~1.08kg,盛果期分别为12.4~14.9cm、0.76~0.86cm、2.13~2.53kg,初果期和盛果期新梢生长长度和产量都是Ⅱ型专用肥>普通化肥>不施肥,新梢生长粗度Ⅱ型专用肥>不施肥>普通化肥,初果期Ⅱ型专用肥分别比普通化肥和不施肥新梢长度提高3.5%和16.3%、粗度生长量提高12.3%和2.5%、单株产量提高8.3%和16.8%,盛果期Ⅲ型专用肥分别比普通化肥和不施肥新梢长度提高12.9%和20.2%、粗度生长量提高13.2%和4.9%、单株产量提高11.0%和18.8%;不同专用肥在不同生长发育期分别对树体生长和产量形成都有综合、协调促进作用,建议幼树期为促进树体生长可施用普通化肥和Ⅰ型专用肥,但应优先选用Ⅰ型专用肥,在初果期和盛果期应分别选用Ⅱ型专用肥和Ⅲ型专用肥,以促进提高产量和树体健康生长。
译  名：
Fertility Test of Walnut-oriented Fertilizers in Luonan
作  者：
ZHAO Chun-li;GUO An-zhu;WU Kuan-min;ZHANG Ya-wen;Walnut Institute of Luonan;
关键词：
Luonan;;walnut;;fertilizer for special orientation;;amount of growth;;yield
摘  要：
Representative walnut plantations in Luonan were tested with the fertilizer oriented for walnut.The result showed that new shoots from walnut at different treatment reached 24.02~28.95 cm and 0.82~0.91 cm.New shoot increment from fertilizer I is bigger than conventional fertilizer and no fertilizer used,respectively,7.5% and 20.5%in stem height and 7.1% and 11.0%in stem thickness.The new shoot,thickness growth and initial yield of nuts are 13.35~17.85 cm,0.73~0.82 cm,and 1.01~1.08 kg,respectively.New shoot,thickness and peak yield are 12.4~14.9cm,0.76~0.86 cm,and 2.13~2.53 kg,respectively.Fertilizer effect for new shoot and yield at initial yield period and peak yield period are fertilizer II>conventional fertilizer>no fertilizer used,while the effect on thickness growth is fertilizer II>no fertilizer used>conventional fertilizer.At initial period of fruiting,fertilizer II increased the new shoot above the conventional fertilizer and no fertilizer by3.5% and 16.3%respectively in length,by 12.3%and 2.5%respectively in thickness,by 8.3%and16.8%respectively in individual plant yield.At peak period of fruiting,fertilizer III increased the new shoot above the conventional fertilizer and no fertilizer by 12.9% and 20.2% respectively in length,by 13.2% and 4.9%respectively in thickness,by 11.0% and 18.8% respectively in individual plant yield.Different walnut-oriented fertilizers have different effect on tree development and yield.It was recommended that conventional fertilizer and fertilizer I can improve the growth of young trees but fertilizer I is prioritized.At initial and peak period of fruiting,fertilizer III is prioritized for use.

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