不同施氮量对核桃林间作花生生长发育及产量的影响
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摘要
在核桃林间作条件下,对不同氮肥施用量处理花生植株生长、干物质积累、产量构成及经济效益进行研究。2017年和2018年两年试验结果表明:施氮可促进花生生长和干物质积累,增加花生单株饱果数和百果质量,从而提高产量。在施氮量≤210kg/hm~2时,花生产量随氮肥施用量的增加而逐渐增加,氮肥施用量为300kg/hm~2时,花生干物质向荚果分配被抑制,进而产量降低。氮肥施用量为210kg/hm~2时,两年间作花生的产量和利润均达最大值,分别为4938.56 kg/hm~2、4512.71 kg/hm~2和21648元/hm~2、19701元/hm~2。
Under condition of intercropping in walnut orchard, the effects of different nitrogen application rates on the plant growth, dry matter accumulation, yield components and economic benefits of peanut were studied. The results of two years of testing during 2017 and 2018 showed that nitrogen application could promote peanut growth and dry matter accumulation, increased the number of full fruits per plant and fruit mass, and thus increased yield. When the nitrogen application rate was no more than 210 kg/ha, the yield of peanut increased gradually as increasing nitrogen application. When nitrogen application was up to 300 kg/ha, the distribution of dry matter to pods was inhibited, and the yield was reduced. When nitrogen application rate was 210 kg/ha, the output and profit of intercropping peanut during the two years all reached maximum of 4938.56 kg/ha, 4512.71 kg/ha and 21648 yuan/ha, 19701 yuan/ha respectively.
Under condition of intercropping in walnut orchard, the effects of different nitrogen application rates on the plant growth, dry matter accumulation, yield components and economic benefits of peanut were studied. The results of two years of testing during 2017 and 2018 showed that nitrogen application could promote peanut growth and dry matter accumulation, increased the number of full fruits per plant and fruit mass, and thus increased yield. When the nitrogen application rate was no more than 210 kg/ha, the yield of peanut increased gradually as increasing nitrogen application. When nitrogen application was up to 300 kg/ha, the distribution of dry matter to pods was inhibited, and the yield was reduced. When nitrogen application rate was 210 kg/ha, the output and profit of intercropping peanut during the two years all reached maximum of 4938.56 kg/ha, 4512.71 kg/ha and 21648 yuan/ha, 19701 yuan/ha respectively.
引文
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[10] 张艳艳,李文金,陈建生,等.麦后直播花生施氮对根瘤生长发育、荚果产量和氮素利用的影响[J].花生学报,2015,44(1):18-22.
[11] 杨吉顺,李尚霞,张智猛,等.施氮对不同花生品种光合特性及干物质积累的影响[J].核农学报,2014,28(1) :154-160.
[2] 矫岩林.烟台地区花生空秕原因及防治方法研究[D].泰安:山东农业大学,2014:154-160.
[3] 张翔,张新友,张玉亭,等.施氮量对不同花生品种生长及干物质积累的影响[J].花生学报,2011,40(1) :23-29.
[4] 于俊红,彭智平,黄继川,等.施氮量对花生养分吸收及产量品质的影响[J].花生学报,2011,40(3) :20-23.
[5] 黄循壮.不同施氮水平对花生结瘤与供氮和产量的影响[J].华南农业大学学报,1991,12(1) :68-72.
[6] 周录英,李向东,王丽丽.氮、磷、钾、钙肥不同用量对花生光合性能及产量品质的影响[J].花生学报,2006,35(2) :11-16.
[7] 白冬梅,王国桐,田跃霞,等.幼龄果园间作花生高效栽培模式研究[J].山西农业科学,2015,43(7):844-846.
[8] 田跃霞,白冬梅,权宝全,等.林下花生单粒精播最适密度研究[J].现代农业科技,2018(3):14-15.
[9] 权宝全,王国桐,白冬梅,等.单粒精播密度对幼龄果园间作花生生长发育及产量的影响[J].作物杂志,2015(3):83-86.
[10] 张艳艳,李文金,陈建生,等.麦后直播花生施氮对根瘤生长发育、荚果产量和氮素利用的影响[J].花生学报,2015,44(1):18-22.
[11] 杨吉顺,李尚霞,张智猛,等.施氮对不同花生品种光合特性及干物质积累的影响[J].核农学报,2014,28(1) :154-160.