We are doing an experiment to see how different amounts of water affect plant growth. The variable here is ___. A. sunlight B. water C. air D. soil 相关知识点: 试题来源: 解析 B。题干中提到不同量的水对植物生长的影响,所以变量是水。选项 A“sunlight”是阳光;选项 B“water”是水;选...
This has an important meaning on waler saving and yield increasing of agriculture.doi:http://ir.iswc.ac.cn/handle/361005/2043Yu Man中国生态农业学报YU M Y, HUANG ZH B, SHAN L.Response of plantgrowth and water use efficiency to different water contentsunder environmental CO2 concentration ...
In the space plant - growth experiment, water ___ in a different way compared to on Earth. A. moves B. lives C. grows D. stops 相关知识点: 试题来源: 解析 A。解析:moves表示移动,在太空植物生长实验中,水的移动方式和地球上相比有所不同。lives是生活,grows是生长,stops是停止,都不符合水的...
There are three different types of ecosystems: natural ecosystems, man-made ecosystems, and micro-ecosystems. This article describes the characteristics of an ecosystem, subcategories for each type of ecosystem, and examples with illustrations.
This study was conducted to evaluate the effect of different water depths on the growth and yield of rice crop. Experiment was carried out in containers having an area of 0.64 m2 and the volume of 0.57 m3 at laboratory. Four water depths of 5, 10, 15 and 20 cm were taken in account;...
water use efficiency of different varieties in semi-arid in high flow year.The results shows that the water consumption characteristics and water use efficiency of different varieties have larger differences; during the whole growth period,the water consumption of Luyu36 is the highest,and Limin33 ...
Plant growth promoters, such as auxins and cytokinins, stimulate cell division and elongation. Inhibitors like abscisic acid control growth by inducing dormancy or reducing water loss. These tiny organisms present a fascinating world of science and technology behind the scenes of greenery around us. ...
Examples: sunflower (Helianthus annuus) and compass plant (Silphium laciniatum). 7.Hydrotropism The growth of plant parts, i.e. the roots, in response to moisture or water. The root exhibits a positive hydrotropic response by moving toward the water source. ...
azote, drainage systems, nitrogeno, juniperus communis, agua de riego, crecimiento, container planting, nitrogen, danemark, materiel de drainage, leaching, climate, irrigation water, lessivage du sol, plantacion en contenedor, growth, dinamarca, lixiviacion, plantation en container, eau d'irrigation...
The watermelon is a seasonal fruit typically characterized by an oblong shape and red flesh. New developments in the growing process have produced hybrids and different types of watermelons, including seedless, picnic, icebox and yellow-flesh varieties. Each variety of watermelon is unique in color...