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p> The I60S treatment also evidently increased MBC and MBN contents and significantly enhanced microbial respiration, showing 13.89%, 24.24%, 41.38% and 12.33% increases in microbial respiration rate over the treatments of CK, I60, I30 and I30S, respectively. Results showed that in comparison to CK treatment, I60S treatment significantly reduced soil bulk density and obviously increased soil total porosity and capillary porosity, indicative of 6.62%, 11.19%, 16.45% and 7.97% decreases in soil bulk density compared to the treatments of CK, I60, I30 and I30S, respectively. The correlation analysis showed that the volume growth rate was extremely significantly correlated with capillary porosity and metabolic quotient, and had significant correlation with soil bulk density, MBC and MBN contents and microbial respiration. However, in https://ldony.top/0b0 , less effect on the forest soil characteristics and the volume growth were observed than that in the I60S treatment. At https://ldony.top/0g1 , the metabolic quotient was reduced by the I60S treatment, demonstrating 5.96%, 8.84%, 11.72% and 4.78% decreases, respectively. With the purpose of promoting water-saving irrigation and poplar yield, a field experiment of 5 treatments, i.e. CK (conventional border irrigation), I60 (60% conventional border irrigation quantity), I30 (30% conventional border irrigation quantity), I60S (60% border irrigation quantity co-applied with super absorbent polymers) and I30S (30% border irrigation quantity co-applied with super absorbent polymers) was designed and performed.</p><p> Additionally, the volume growth rate of the I60S treatment also reached the maximum, which had significant differences with other treatments (P0.05). The germination rate increased from 76.9% to 86.5% at 1 g.L-1 SAP addition in water depletion condition. However, SAP addition at 1% rate was able to alleviate the negative effect of water depletion on Chinese cabbage. The germination rates, plant height, leaf area and yield of Chinese cabbage dropped significantly because of water depletion in substrate without SAP (S0). The physical and chemical properties of substrates amended with 1(S1), 2 (S2) and 3 g.L-1 (S3) SAP were studied, with the substrate without SAP addition (S0) used as control. Infrared spectra of the SAP indicated the existence of hydrophilic groups such as carboxyl, acetamido, sodium carboxylate, etc., before and after the usage as substrate additive. All the results indicated that super absorbent polymer and potassium fertilizer had direct effects on the potato plant chlorophyll fluorescence parameters, manifesting in the increase of photosynthetic efficiency, and thus, improved the tuber yield of upland potato.</p><iframe src="https://www.youtube.com/embed/jz8rHsw3B4w" width="560" height="315" frameborder="0" allowfullscreen></iframe><p> The effects of a starch-based super absorbent polymer on characteristics of soilless growth media and the growth of Chinese cabbage. Structural features of a starch-based SAP molecule were analyzed using infrared spectroscopic method. This paper evaluated the effects of a starch-based super absorbent polymer (SAP) on the characteristics of soilless growth media. Potassium polyacrylate is a potassium based super absorbent polymer(SAP), it is an economical & best water-absorbent material. With attention to increased yield and its components and decreasing plant water need, using this material is economically acceptable. You can now adjust the disposable for matching your baby's waist using fastened tapes which come with disposable product. Agriculture SAP materials are hydrophilic networks that can store and retain enormous amounts of water or aqueous solutions. These polymers (WATERLOCK 93B)are used as materials for feminine hygiene products. Growing hygiene awareness among the population worldwide is supporting growth of the target industry.</p><p> The growth of the super absorbent polymers industry in the countries of the Europe is attributed to increasing demand for the production of female hygiene products manufactured from SAP in the Europe. The use of super absorbent polymers revolutionized the diaper industry. In might 2017, the corporate declared the growth of its production capability for superabsorbent polymers in South Korea. Based on geography, the global emulsion polymer market is segmented into North America, Europe, Asia Pacific, Middle East & Africa, and South America. SYNTHESIS OF SUPER ABSORBENT POLYMER HYDROGEL BASED ON OIL PALM EMPTY FRUIT BUNCH GRAFTED WITH ACRYLIC ACID AND ITS APPLICATION AS A NPK FERTILISER CARRIER. But the application amount of super absorbent polymer is an important parameter to evaluate. Therefore, it is speculated that super absorbent polymer co-applied with border irrigation should be an interesting thing, and investigating their appropriate proportion has important theoretic value and practical significance. In the meantime, border irrigation is also an efficient measure which has the advantages of low cost, simple operation and easy popularization. While insufficient irrigation may have no effect. A large number of studies have showed that super absorbent polymer has the properties of water saving and drought resistance.</p>