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Study on Spatial Distribution Characters of Rubber Yield and Soil Nutrients in Guangba Farm of Hainai Province

  • Bei CuiEmail author
  • Wenjiang Huang
  • Huichun Ye
  • Qimin Cao
Conference paper
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 546)

Abstract

Studying the spatial distribution characters of rubber yield and soil nutrients and the rule of spatial variability are important for suitable fertilization strategy in rubber plantation. This paper selected Hongquan Branch, Guangba Branch and Gongai Branch of Guangba Farm in Hainan province as study area and total of 327 samples were selected in the rubber plantation. The spatial distribution characters of rubber yield and five soil nutrients, including organic matter (OM), total nitrogen (TN), available phosphorus (AP), available potassium (AK), exchangeable calcium (Ga), were studied using traditional analysis method and geo-statistics analysis method. The results showed that: (1) The average value of rubber yield was 3.55 kg/hm2 with moderate spatial variability and the average values of OM, N, P, K and Ga were 11.65 g/kg, 0.07%, 16.23 mg/kg, 49.65 mg/kg and 84.44 mg/kg, respectively. Soil OM, TN, AK and Ga had moderate spatial variability but AP had strong spatial variability. (2) Rubber yield and soil total nitrogen (N) nutrient had strong spatial dependence; soil OM, AP, AK and Ga had moderate spatial dependence. (3) Based on the previous reports of normal range of soil nutrients, soil OM and TN nutrient content were very low in the studied rubber plantation of Guangba Farm. Therefore, more nitrogen fertilizer should be applied in the rubber plantation in future.

Keywords

Spatial distribution characters Rubber yield Soil nutrients Guangba Farm 

Notes

Funding Information

This work was supported by National Natural Science Foundation of China (41801352), Natural Science Foundation of Hainan Province, China (20164179, 2016CXTD015), Youth Foundation of Director of Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, China (ZZCEODE2015HT015), the Agricultural Science and Technology Innovation of Sanya (2015KJ04), the Technology Research, Development and Promotion Program of Hainan Province, China (ZDXM2015102), the Hainan Provincial Department of Science and Technology under Grant (ZDKJ2016021).

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Copyright information

© IFIP International Federation for Information Processing 2019

Authors and Affiliations

  • Bei Cui
    • 1
    • 2
    Email author
  • Wenjiang Huang
    • 1
    • 2
  • Huichun Ye
    • 1
    • 2
  • Qimin Cao
    • 3
  1. 1.Institute of Remote Sensing and Digital EarthChinese Academy of SciencesBeijingPeople’s Republic of China
  2. 2.Key Laboratory of Earth ObservationSanyaPeople’s Republic of China
  3. 3.Hainan State Farms Academy of SciencesHaikouPeople’s Republic of China

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