Micropropagation is used for the mass clonal propagation of elite lines or disease-free planting material.

微繁殖被用于优良品系或无病害种植材料的大规模无性繁殖。

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Tissue culture has produced plants that are increasing crop yields by providing farmers with healthier planting material.

组织培养生产的植物，通过向农民提供更加健康的种植材料而提高作物单产。

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This result indicates that the self-rooting juvenile-type clone of Hevea brasiliensis is a fast growing and high yielding planting material.

说明橡胶自根幼态无性系是一种速生、高产的种植材料。

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This may be achieved by increasing the surface reflectivity of the planet, for example by brightening human structures, planting crops with a higher albedo, or covering deserts with reflective material.

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