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Products: Cashews
Subject: Sustainability

Cashew gum hydrogel as an alternative to minimize the effect of drought stress on soybean

Authors: Ratke, R. F., de Sousa, A., Chaves, D. V., Zanatta, F. L., Edvan, R. L., Sousa, H. R., Silva-Filho, E. C., Osajima, J. A., Nascimento, A. M. S. S., Aguilera, J. G., Zuffo, A. M., da Silva, N. P., Teodoro, P. E., Bezerra, L. R., Gonzales, H. H. S., & Morales-Aranibar, L.
  • Journals: Scientific reports
  • Pages: 2159
  • Volume: 14(1)
  • Year: 2024
The use of hydrogels helps the production of plants in drought-stress environments. Thus, this work evaluated using different hydrogels to minimize drought stress in soybean cultivation. The treatments employed two different hydrogels, one already commercialized and the other produced with cashew gum (Anacardium occidentale), five levels (0, 30, 60, 120, and 240 mg pot-1) of the hydrogels, and two levels of drought stress in sandy soil. The growth and yield of soybeans and the levels of macro- and micronutrients in soybeans were evaluated. The use of CG hydrogel promoted 12% increase in protein content in the seeds in the when soybean plants were subjected to drought stress. The levels of 30 mg pot-1, corresponding to 7.5 kg ha-1, improved the 'morphological and productive parameters of the soybeans. The increasing levels of hydrogel promoted the increase in P, K, Ca, Mg, and Fe and reduced S and Cu on an exponential scale. The use of cashew gum hydrogel increased the K and Ca contents in soybean seeds compared to commercial hydrogel.