Study on the characteristics and nutrition profiles of greenhouse soils in typical areas of east Hebei

doi:10.14088/j.cnki.issn0439-8114.2022.03.016

Abstract

Abstract: Surface soil samples of greenhouse in Tangshan city and Chengde city were collected and detected to investigate the characteristics and nutrition profiles of greenhouse soils in typical areas of east Hebei. The results showed that the average value of pH was 6.20~7.49, and the dominant soils were neutral or alkaline, and the ratio of acid soil was 26.32%. The average value of total salt content was 2.55~9.30 g/kg, and the ratio of salt-affected soil reached 74.74%. High ratios of acid soil or salt-affected soil were found both in Luannan county and Leting county. According to organic matter concentrations（average values of 1.93%~2.57%）, the dominant soils were at middle or high fertility levels. According to available phosphorous（average value of 69.97~1 018.3 mg/kg）, available potassium （average value of 232.31~713.32 mg/kg）, total nitrogen （average value of 0.13%~0.39%）, and total phosphorus （average value of 0.09%~0.15%）, the dominant soils were at high or higher fertility levels. The average value of total potassium was 0.15%~0.17%, and all soils were at low fertility levels. The results revealed the acidification trends, salinization trends and unbalanced high nutrition profiles of the greenhouse soils in east Hebei, and provided the theoretical proof for scientific nutrient management.

Key words: east Hebei, greenhouse soil, acidification, salinization, nutrition profiles

CLC Number:

S158

LI Feng, LIANG Hai-tian, ZHAO Lin-na, CHEN Qiu-sheng, ZHANG Yu-ting, GAO Xian-biao. Study on the characteristics and nutrition profiles of greenhouse soils in typical areas of east Hebei[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(3): 82-88.

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