|Table of Contents|

Effects of Intercept Wheat Straw Returning on Facility Soil Properties and Plant Yield Quality

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年17
Page:
14-20
Research Field:
Publishing date:

Info

Title:
Effects of Intercept Wheat Straw Returning on Facility Soil Properties and Plant Yield Quality
Author(s):
LI Huanping; ZHANG Yongxian; JIANG Jiezeng; XIE Mengwei; ZHANG Hao; QIAN Jiayu
(Institute of Aquatic Vegetable Research，Yangzhou University，Yangzhou，Jiangsu 225009)
Keywords:
wheat straw; aquatic vegetables; the decomposing rate; production; soil properties
PACS:
-
DOI:
10.11937/bfyy.20184590
Abstract:
The experiment explored the decomposition law of wheat straw and the effect on the yield quality and soil properties of aquatic vegetables in different seasons.The experiment was to bury a plastic box in the greenhouse using watercress and wheat straw as materials.The wheat straw was cut into 10 cm at 500 kg?(667m2)-1 in the low temperature season，and the watercress was planted in shallow water.The high temperature season was covered with 1 000 kg?(667m2)-1 and planted in shallow water.Studying the decomposing effect of wheat straw，in order to provide a theoretical basis for the improvement of soil in the vegetable field and the new way of using wheat straw.The results showed that the decomposing rate of wheat straw was 66.67% and 85% respectively after 140 days in low temperature season and 163 days in high temperature season；the conductivity of soil surface water layer increased rapidly and then decreased slowly，and the third day in cold season reached the maximum.The value was 1 180 μS?cm-1，and the maximum value was 1 806 μS?cm-1 on the 12th day of the hot season.The redox potential showed a rapid decline in the early stage，and fell to -80 mV on the third day of the low temperature season，and fell to the -180 mV on the fifth day of the hot season，post-processing and control trends were basically the same.Compared with the control group，wheat straw returning to the field could increase the yield and quality of vegetables，and could effectively increase the soil organic matter，total nitrogen，total phosphorus，total potassium and available phosphorus and potassium contents，increaseed soil urease activity，and reduced soil nitrate status.

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Last Update: 2019-09-20