Mumble
发表于 2025-3-23 10:53:53
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英寸
发表于 2025-3-23 15:27:00
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失眠症
发表于 2025-3-23 20:50:07
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Exuberance
发表于 2025-3-24 01:53:40
David J. Sahn,Arthur Hagan,William F. Friedmanuction. The relatively infertile Oxisols and Ultisols occupy about 43% of the tropics but only 7% of the temperate zone, while fertile Mollisols account for 2% of the tropics and 11% of temperate regions. Within the tropics, soils with chemical deficiencies or toxicities total about 47% of South Ame
虚弱的神经
发表于 2025-3-24 06:20:15
Premindra A. N. Chandrartna,Jose M. Lopez,Dale Gindlespergeruction practices, which has made highly productive lands barren/unusable. Plant species have evolved several mechanisms to cope with salinity stress. Nutrient homeostasis is among the different mechanisms employed by plant species to withstand elevated salt levels in the root zone. Nutrients are the
ALLAY
发表于 2025-3-24 06:36:54
D. J. Sahn,Y. Vaucher,D. F. Williams,G. Leopold,W. F. Friedman form expressed as milligram equivalents per 100 g of soil. Soils in desert environments contain more exchangeable bases and less exchangeable hydrogen than do soils in humid areas. Researchers found that when three soils from three states were averaged, the exchangeable bases calculated as a percen
Gene408
发表于 2025-3-24 14:26:34
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逢迎春日
发表于 2025-3-24 14:59:51
J. Roelandt,F. Ten Cate,W. vanDorp,N. Bom,P. G. Hugenholtzust 1989 in Wageningen, The Netherlands. Although impressive progress has been made during the past decades in our understanding of the mechanisms of uptake, distribution and assimilation of nutrients in relation to crop yield and quality, there are still significant gaps in our insight into many fu
abreast
发表于 2025-3-24 20:16:39
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玛瑙
发表于 2025-3-25 01:56:00
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