Effect of Fertigation Technology on Dry Matter Accumulation and Nutrient Absorption in Pepper

MENG Liang; ZHANG Wenming; QIU Xiaoli; CHEN Zhuancheng; MA Xing; QIU Huizhen

doi:10.13961/j.cnki.stbctb.2017.05.049

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Effect of Fertigation Technology on Dry Matter Accumulation and Nutrient Absorption in Pepper

- Effect of Fertigation Technology on Dry Matter Accumulation and Nutrient Absorption in Pepper
- Bulletin of Soiland Water Conservation Vol. 37, Issue 5, Pages: 290-296(2017)
- 作者机构：
  
  甘肃农业大学资源与环境学院甘肃省干旱生境作物学重点实验室,甘肃,兰州,730070
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.05.049
  CLC：
- Published：2017
- 稿件说明：
移动端阅览
MENG Liang, ZHANG Wenming, QIU Xiaoli, et al. Effect of Fertigation Technology on Dry Matter Accumulation and Nutrient Absorption in Pepper[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 290-296.
DOI：

MENG Liang, ZHANG Wenming, QIU Xiaoli, et al. Effect of Fertigation Technology on Dry Matter Accumulation and Nutrient Absorption in Pepper[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 290-296. DOI： 10.13961/j.cnki.stbctb.2017.05.049.

摘要

[目的

]

针对目前设施蔬菜生产中存在的水肥利用率低等问题，研究水肥一体化技术对日光温室辣椒干物质积累及养分吸收规律的影响，为甘肃省设施辣椒的可持续发展生产提供科学依据。[方法

]

通过田间试验，以常规沟灌冲施肥为对照（T

），研究水肥一体化技术处理（T

）对日光温室辣椒"陇椒3号"干物质积累及养分吸收规律的影响。[结果

]

（1）水肥一体化技术能显著促进了辣椒植株干物质的积累，T

处理干物质积累总量比T

提高了9.21%，果实和根干物质积累分别提高了22.47%和7.29%；提前30 d到达干物重第一个平衡期，推迟41 d到达第2个平衡期。（2） T

处理N，P

，K

O吸收积累总量比T

增加了18.23%，30.73%和19.76%；T

处理果实中N所占比例比T

处理提高了9.73%；P

提高了13.70%；K

O提高了13.00%。（3） T

处理比T

氮磷钾利用率分别提高了51.0%；43.3%和71.2%；节水48.9%；增产22.1%；增收3.55万元/hm

。[结论

]

水肥一体化技术能提高辣椒的干物质和养分积累量，提高果实中的分配比例。

Abstract

[Objective] According to the low water and fertilizer use efficiency in the protected vegetable production

the influences of different fertigation treatments on the dry matter accumulation and nutrient absorption of greenhouse pepper were researched to provide scientific evidence for pepper sustainable production in Gansu Province.[Methods] Field testing was conducted. In which

normal furrow fertilizing was used as control (T1)

fertigation technology (T2) was carried out to demonstrate its influence on dry matter accumulation and nutrients absorption of Long Pepper No.3 in a solar greenhouse.[Results] (1) Fertigation technology can promote pepper plant's dry matter accumulation significantly

dry matter accumulation increased by 9.21%

dry matter accumulations in fruits and roots increased by 22.47% and 7.29%. The first dry matter equilibrium was advanced by 30 days than normal

while 2nd equilibrium stage was postponed about 41 days. (2) In treatment T2

the absorption accumulations of N

P2O5

K2O increased by 18.23%

30.73%

19.76%

and the N

P2O5

K2O proportion of fruits increased by 9.73%

13.70%

and 13.00% respectively than the ones of treatment T1. (3) In comparison with the ones in T1

the N

K use efficiencies of treatment T2 increased 51%

43.3%

71.2% respectively. Furthermore

the treatment T2 can save 48.9% water

increase 22.1% yield

and increase 3.55×104 yuan/hm2 income than treatment T1.[Conclusion] Fertigation technology can increase the dry matter and nutrients accumulation in pepper

and can increase the allocation proportion of them in fruits.

关键词

Keywords

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