Response of

MAO Lanhua; ZHA Xuan; ZHANG Jing; CHEN Shifa

doi:10.13870/j.cnki.stbcxb.2022.01.040

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Response of

更新时间：2025-03-12

- Response of
- Vol. 36, Issue 1, Pages: 316-324(2022)
- 作者机构：
  
  1. 福建师范大学地理科学学院,福州,350007
  2. 湿润亚热带生态-地理过程教育部重点实验室,福州,350007
  3. 福建师范大学地理研究所,福州,350007
  4. 韶关学院旅游与地理学院,福建,韶关,512005
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2022.01.040
  CLC： S157.5
- Published：2022
- 稿件说明：
移动端阅览
MAO Lanhua, ZHA Xuan, ZHANG Jing, et al. Response of[J]. 2022, 36(1): 316-324.
DOI：

MAO Lanhua, ZHA Xuan, ZHANG Jing, et al. Response of[J]. 2022, 36(1): 316-324. DOI： 10.13870/j.cnki.stbcxb.2022.01.040.

摘要

马尾松是南方红壤侵蚀区的先锋树种

由于受土壤贫瘠的限制

植物生长缓慢。以树龄1年的马尾松为研究对象

研究了不同施肥处理对马尾松的生长特征以及生物量、植株养分含量和养分利用效率的影响。设置了1个对照(不施肥

CK)和3种施肥方式: 单施复合肥(0.94

1.89

3.56 g); 复合肥与微生物菌肥混施((0.94+8.00)

(1.89+8.00)

(3.56+8.00) g); 复合肥与保水剂混施((0.94+1.01)

(1.89+1.01)

(3.56+1.01) g)

为期2年。结果表明: (1)与对照处理相比

不同施肥处理显著提高了马尾松的地径生长量和株高生长量

地径生长量、株高生长量最高均为F2B(复合肥与保水剂混施

(1.89+1.01) g)处理

显著高于其他施肥处理; (2)与其他施肥处理相比

复合肥与微生物菌肥混施处理下马尾松的根生物量占总生物量的比重较大

而复合肥与保水剂混施处理下其总生物量最大; (3)施肥处理显著提高了马尾松叶、茎、根的TN、TP、TK含量和养分利用效率

TP含量对其生长特性影响最大

呈极显著相关

其解释了生长特性变化的58.03%(P < 0.01);(4)主成分分析表明

F2B((1.89+1.01) g)施肥处理综合排名第1

为试验条件下最适宜的施肥量和方法。综合马尾松的生长特征和养分利用效率分析

复合肥与保水剂混施((1.89+1.01) g)为该区域马尾松生长更为有效的施肥方法

为严重侵蚀退化马尾松林地施肥管理提供了理论依据。

Abstract

Pinus massoniana is the pioneer tree species in the red soil regions of southern China

however

its growth is impaired by the poor soil fertility. This study examined the effects of compound fertilizer

microbial fertilizer and super absorbent polymer (SAP) on the growth characteristics

biomass

plant nutrient content

and fertilizer uptake efficiency (FUE) of 1-year-old Pinus massoniana seedlings. A control (no fertilizer

CK) and three fertilization treatments

namely single application of compound fertilizer (0.94

1.89

3.56 g); mixed application of compound fertilizer and microbial fertilizer ((0.94+8.00)

(1.89+8.00)

(3.56+8.00) g); and mixed application of compound fertilizer and SAP ((0.94+1.01)

(1.89+1.01)

(3.56+1.01) g)

were applied over 2 years. The results showed that: (1) Compared to the control

different fertilization treatments significantly increased the ground diameter and plant height growth of seedlings. The highest growth of seedling ground diameter and plant height were both F2B (mixed application of compound fertilizer and SAP

(1.89 + 1.01) g) treatments

which was significantly higher than other treatments. (2) Under the mixed application of compound fertilizer and microbial fertilizer

root biomass accounted for a larger proportion of the whole biomass. Meanwhile

under the mixed application of compound fertilizer and SAP

the whole biomass of the seedlings was higher. (3) Fertilization significantly increased the TN

TK contents of leaves

stems

and roots of the seedlings. The TP content of seedlings had the greatest impact on its growth characteristics and is extremely significantly correlated

which explains 58.03% of the changes in seedling growth characteristics (P < 0.01). (4) Principal component analysis indicated that the F2B ((1.89+1.01) g) was the optimum fertilization amount and method in this experiment. Comprehensive analysis of growth characteristics and FUE of the seedlings showed that the F2B ((1.89+1.01) g) might serve as a highly effective fertilization method for Pinus massoniana growing in the severely eroded and degraded red soils of southern China. These results provide a theoretical basis for the fertilization management of Pinus massoniana forests with severely eroded and degraded red soils.

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⁰

Response of

DOI：10.13870/j.cnki.stbcxb.2022.01.040

摘要

Abstract

关键词

Keywords

references