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Soil & Crop Sciences

Effect of a cellulose decomposing bacterium, humic acid, and wheat straw on Cucurbita pepo L. growth and soil properties

ORCID Icon, &
Article: 2246182 | Received 24 May 2023, Accepted 04 Aug 2023, Published online: 13 Aug 2023

Figures & data

Table 1. Physicochemical and biological properties of the experimental soil

Table 2. Effect of treatments on the stem, leaf, and root fresh weights of squash during the 2019/20 and 2020/21 planting seasons

Figure 1. Effects of humic acid and wheat straw levels interaction on fresh stem weight.

Figure 1. Effects of humic acid and wheat straw levels interaction on fresh stem weight.

Figure 2. Effects of cellulose decomposing bacterium and wheat straw levels interaction on fresh root weight of squash.

Figure 2. Effects of cellulose decomposing bacterium and wheat straw levels interaction on fresh root weight of squash.

Figure 3. Effect of three-way interaction of treatments on fresh leaf weight of squash.

Columns display values (n = 3) ±SD.
Figure 3. Effect of three-way interaction of treatments on fresh leaf weight of squash.

Table 3. Morphological, physiological, and enzymatic characterization of Geobacillus stearothermophilus SSK-2018

Table 4. Effect of treatments on soil pH, electrical conductivity, bulk density, gravimetric moisture content, and porosity in 2020/21 planting season

Figure 4. Effects of humic acid and cellulose decomposing bacterium interaction on soil gravimetric moisture content.

Figure 4. Effects of humic acid and cellulose decomposing bacterium interaction on soil gravimetric moisture content.

Figure 5. Effect of three-way interaction of treatments on gravimetric moisture content.

Columns display values (n = 3) ±SD.
Figure 5. Effect of three-way interaction of treatments on gravimetric moisture content.

Figure 6. Effect of three-way interaction of treatments on soil pH.

Columns display values (n = 3) ±SD.
Figure 6. Effect of three-way interaction of treatments on soil pH.

Figure 7. Effects of humic acid and wheat straw levels interaction on soil (a) bulk density (b) gravimetric moisture content, and (c) porosity.

Figure 7. Effects of humic acid and wheat straw levels interaction on soil (a) bulk density (b) gravimetric moisture content, and (c) porosity.

Table 5. Effect of treatments on soil basic cations in 2020/21 planting season

Figure 8. Effects of humic acid and cellulose decomposing bacterium interaction on soil exchangeable potassium.

Figure 8. Effects of humic acid and cellulose decomposing bacterium interaction on soil exchangeable potassium.

Figure 9. Effects of humic acid and wheat straw interaction on soil exchangeable calcium.

Figure 9. Effects of humic acid and wheat straw interaction on soil exchangeable calcium.

Figure 10. Effects of humic acid and cellulose decomposing bacterium interaction on soil exchangeable calcium.

Figure 10. Effects of humic acid and cellulose decomposing bacterium interaction on soil exchangeable calcium.

Figure 11. Effect of three-way interaction of treatments on soil exchangeable magnesium.

Columns display values (n = 3) ±SD.
Figure 11. Effect of three-way interaction of treatments on soil exchangeable magnesium.
Supplemental material

Supplemental Material

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