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Amidst a chronic shortage of fertilizers, plummeting crop yields, and an agricultural system on the brink of collapse, Cuban ...
编辑推荐: (通讯员:董美玲)近日,生态学领域权威期刊Ecology Letters相继发表与接收Coordination between bioelements induce more stable macroelements than microelements in wetland plants和Plant elemental homeostasis enhances species ...
Such microelements include a "rotating table" for eating and working, which tucks away into a row of built-in cabinetry that is located along one wall.
"The feedstock, as small as it is (only 2.3 millimeters thick), requires an exact proportion of microelements," said Wang Huimian, senior engineer of Taiyuan Iron and Steel.
D. I. Arnon, Microelements in Culture-Solution Experiments with Higher Plants, American Journal of Botany, Vol. 25, No. 5 (May, 1938), pp. 322-325 ...
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