Zobrazeno 1 - 10
of 1 544
pro vyhledávání: '"application rate"'
Autor:
V. P. Asovsky, A. S. Kuzmenko
Publikováno v:
Сельскохозяйственные машины и технологии, Vol 18, Iss 3, Pp 63-74 (2024)
The paper outlines the potential applications of unmanned aerial vehicles for the delivery of pesticides and agrochemicals. It addresses key challenges in implementing UAV technology, particularly the development and use of accurate modeling tools fo
Externí odkaz:
https://doaj.org/article/d193e498a0444e8496db4db31e5470e1
Autor:
Yu Gao, Ruier Zeng, Suzhe Yao, Ying Wang, Jianguo Wang, Shubo Wan, Wei Hu, Tingting Chen, Lei Zhang
Publikováno v:
Crop Journal, Vol 12, Iss 3, Pp 915-926 (2024)
This study investigated the effect of magnesium application on peanut growth and yield under two nitrogen (N) application rates in acidic soil in southern China. The chlorophyll content, net photosynthetic rate and dry matter accumulation of the N-se
Externí odkaz:
https://doaj.org/article/913f0480afcc499fba192c0795769dd7
Autor:
Pu Yi, Dai Kuai, Gu Xinghui, Liu Meiju, Li Jiangzhou, Wang Yan, Yin Shuyuan, Zhao Changhua, Zhang Limeng, Lin Shan
Publikováno v:
Contributions to Tobacco and Nicotine Research, Vol 33, Iss 2, Pp 136-147 (2024)
With the improvement of irrigation and transportation infrastructures, single tobacco cultivation has been converted into tobacco–vegetable double cultivation in Yunnan Province. High residual nitrogen (N) levels in soil before tobacco transplantin
Externí odkaz:
https://doaj.org/article/4619a140e1e24a8f8e5924c5a1e480ed
Autor:
Tiantian Meng, Jingjing Shi, Xiangqian Zhang, Xiaoqing Zhao, Dejian Zhang, Liyu Chen, Zhanyuan Lu, Yuchen Cheng, Yonghe Hao, Xiaoyu Zhao, Yu Wang
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
The one-time application of slow-release nitrogen fertilizer can not only reduce the labor input, but also reduce the mechanical input cost, and has the characteristics of slow release and reduce volatilization loss. This research is grounded in a lo
Externí odkaz:
https://doaj.org/article/d37db78487e844369aadcbd2b1f1de3b
Autor:
Guangyi Chen, Congmei Li, Mingming Hu, Xingmei He, Hong Yang, Qiuqiu Zhang, Chaoyue Wu, Qiang Duan, Ligong Peng, Yao Zhang, Ziyu Li, Yuyuan Ouyang, Yan Lan, Tian Li
Publikováno v:
Frontiers in Plant Science, Vol 15 (2024)
To investigate the effects of nitrogen (N) application rate and planting density (D) on the contents of lipid and free fatty acid, fatty acid composition, yield and quality of rice grain, a field experiment was conducted using Koshihikari (japonica)
Externí odkaz:
https://doaj.org/article/2c0b44eed1a6407e8fd57e70b1627b43
Autor:
Xiangzeng Meng, Shan Zhang, Lichun Wang, Yang Yu, Sijia Duan, Yixiang Zhang, Yanjie Lv, Yongjun Wang
Publikováno v:
Heliyon, Vol 10, Iss 20, Pp e39601- (2024)
The consumption of chemical fertilizers has increased eight-fold since the 19th century, outstripping crop yields increases and, emphasizing the need for precise nitrogen (N) assessment in crops to optimize fertilization and mitigate environmental im
Externí odkaz:
https://doaj.org/article/ab0365f7d8cd49f0988732f27b14758d
Autor:
Yakang Jin, Hong Chen, Xiaoqian Tang, Lei Zhang, Jun Yan, Shuangjun Li, Ya Chen, Xinwei Li, Hongbao Wu, Xin Xiao
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
Wheat grain yields, quality, and nitrous oxide (N2O) emissions were controlled through the type and application rate of nitrogen (N) fertilizer. Here, we investigated the optimal management of N fertilization by examining the combined effects of orga
Externí odkaz:
https://doaj.org/article/df42fe010a434e8ea6a8a48975363772
Autor:
Gerardo Spinelli, Amber C. Bonarrigo, Wenyi Cui, Kate Grobowsky, Spencer H. Jordan, Kirsten Ondris, Cristina Prieto García, Karina Redding, Kira Zalis Waldman, Helen E. Dahlke
Publikováno v:
Agricultural Water Management, Vol 303, Iss , Pp 109042- (2024)
Nurseries and greenhouses face challenges of limited water supply and increased demand for irrigation efficiency to minimize runoff and mitigate water loss to the environment. Overhead irrigation systems are among the most widely used methods for con
Externí odkaz:
https://doaj.org/article/598fe17f21d84ebebeef8dd9bbeb7042
Publikováno v:
Agricultural Water Management, Vol 305, Iss , Pp 109126- (2024)
Maize-soybean intercropping systems are widespread in North China. However, the combined effects of supplementary irrigation and different nitrogen (N) application rates on the productivity, water use efficiency (WUE), and N use efficiency (NUE) of s
Externí odkaz:
https://doaj.org/article/01441eb8031e4feb965bcb751aa42b48
Publikováno v:
Machinery & Energetics, Vol 15, Iss 1, Pp 95-103 (2024)
A wide variety of meteorological factors, soil and climatic conditions, the saturation of fields with many types of weeds, a significant set of cultivated plants and many other factors necessitate the implementation of innovative technological scheme
Externí odkaz:
https://doaj.org/article/f0a50fa4b12c494cbc0d3ed6e5fe9383