the problems that excessive lands are used for rice production, production efficiency of unit lands is low and the like are solved, the traditional rice planting mode is broken through, rice quality can be controlled well, a new trend is provided for future rice production, and deep development...
1. Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851. 2. The Crystal Palace was different from all other buildings in the world, for it was made of iron and glass. 3. It was one of t...
大图:6000× 3376 像素·50.8 cm × 28.58 cm·300dpi·JPG 中图:1000× 563 像素·35.28 cm × 19.86 cm·72dpi·JPG 小图:500× 282 像素·17.64 cm × 9.95 cm·72dpi·JPG 了解更多 图片套餐 常见问题: 商业用途| 授权| 授权书| 发票| 合同问题 ...
大图:6000× 3376 像素·50.8 cm × 28.58 cm·300dpi·JPG 中图:1000× 563 像素·35.28 cm × 19.86 cm·72dpi·JPG 小图:500× 282 像素·17.64 cm × 9.95 cm·72dpi·JPG 了解更多 图片套餐 常见问题: 商业用途| 授权| 授权书| 发票| 合同问题 ...
In Bali the rice growers use a common canal system and the temples coordinate and keep the calendar for planting and harvest, as well as, providing rice rituals for the community. Time and space are defined by the cultivation of rice and the society is very closely knit. In Madagascar, if...
The present invention consists in preventing a degradation of the forest due to ultraviolet rays. By selecting species with a triploid or tetraploid feature of chromosomes, the ultraviolet-resistant forest is formed by forming the artificial forest. The figure represents stages of experiments concerning...
Scientists believe that early Mexican farmers selected only the largest and tastiest seeds of teosinte for planting. T his process allowed Mericans to develop com very quickly, as small changes in the plant's genetic makeup had dramatic effects on the grain's taste and size.Without selective ...
It is people-oriented, Difeng people focus on the production of high-quality rice transplanter planting department with high quality and advanced technology, all kinds of mold design, R&D and manufacturing required for sheet metal stamping; at the same time, develop continuous d...
planting structure towards a high value-added one have posed new requirements and challenges to farmland waterlogging prevention and mitigation. In this context, China Institute of Water Resources and Hydropower Research (IWHR) took the lead in undertaking the “Research on Technologies for Farmland ...
Tillering process of rice plants as affected by late planting. Relation letween tillering and fruiting. NONOMURA Toshio , YAMAMOTO Yonosuke Japanese Journa... CHM Tummers - 《Japanese Journal of Crop Science》 被引量: 0发表: 1988年 Rigorous modeling and simulation of a batch MMA polymerization pr...