ZHANG Jianli, WANG Zhenhua, CHEN Rui, et al. Effects of Irrigation Amount and Bio-organic Fertilizer on Water and Salt Dynamics and Soil Nutrient Properties of Jujube Field Under Drip Irrigation[J]. 2023, 37(1): 323-331.
DOI:
ZHANG Jianli, WANG Zhenhua, CHEN Rui, et al. Effects of Irrigation Amount and Bio-organic Fertilizer on Water and Salt Dynamics and Soil Nutrient Properties of Jujube Field Under Drip Irrigation[J]. 2023, 37(1): 323-331. DOI: 10.13870/j.cnki.stbcxb.2023.01.041.
Effects of Irrigation Amount and Bio-organic Fertilizer on Water and Salt Dynamics and Soil Nutrient Properties of Jujube Field Under Drip Irrigation
This study aimed to explore the effects of bio-organic fertilizer application on soil moisture
salinity
and soil nutrient properties in jujube fields under different irrigation levels
providing suitable water and fertilizer solutions for jujube cultivation. Two irrigation levels (W1 6 000 m3/hm2
W2 6 600 m3/hm2)
three basal application levels (S1-S2-S3: 1 200—1 650—2 100 kg/hm2) were set up with no bio-organic fertilizer as the control (W1CK
W2CK)
totally eight treatments. A field experiment was conducted. Applying bio-organic fertilizer could increase soil water content
soil organic matter
and total carbon content at the same irrigation level. The increase in fertilizer application all showed that S3 > S2 > S1 > CK. At the W1 irrigation level
the water content
soil organic matter
and total carbon content of 0—150 cm soil increased by 3.20%~17.97%
9.96%~20.31% and 2.03%~5.42% after the application of bio-organic fertilizer compared with the CK. At the W2 irrigation level
the above indices increased by 5.37%~20.19%
6.55%~21.18% and 2.09%~6.34%
respectively. Application of bio-organic fertilizer could reduce the salinity content and soil pH of 0—150 cm soil at the same irrigation level. The increase in fertilizer application all showed that S3 < S2 < S1 < CK. At the W1 irrigation level
the salinity content and soil pH of the 0—150 cm soil decreased by 7.70%~15.74% and 0.86%~2.87% after the application of bio-organic fertilizer compared with the CK
while both indices were reduced by 8.90%~23.66% and 0.96%~2.52% respectively at the W2 irrigation level. In the comparison of different irrigation and fertlization (bio-organic fertilizer) treatments
the W1S3 treatment increased soil water content
soil organic matter
and total carbon content by 4.45%
21.85% and 7.31%
respectively
compared with the local conventional irrigation treatment (W2CK) at 0—150 cm
soil salinity content and soil pH decreased by 2.59% and 2.08%
respectively. Considering the local water scarcity and easy loss of water fertilizer
and also the risk of groundwater pollution reduction
it is suggested that W1S3 treatment instead of the local conventional irrigation treatment (W2CK) should be a more appropriate irrigation and fertilization management.
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Related Author
3
SONG Yiling1
2
YU Jian1
2
CHEN Shigeng1
2
XIAO Chengze1
Related Institution
Shandong Agricultural University Fertilizer Science & Technology Co. Ltd., Taian
Engineering & Technology Research Center of High Efficient Utilization of Humic Acid of Shandong Province, Taian
College of Resources and Environment, Shandong Agricultural University, Taian
College of Chemistry, Shandong Agricultural University, Taian
College of Resources and Environmental Sciences, Nanjing Agricultural University