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Piotr Mazur, Dariusz Gozdowski and Elzbieta Wójcik-Gront
The optimization of soil sampling is very important in precision agriculture. The main aim of this study was to evaluate the relationships between selected spectral indices (NDWI?normalized difference water index and NDVI?normalized difference vegetation...
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Yugong Dang, Hongen Ma, Jun Wang, Zhigang Zhou and Zhidong Xu
In order to boost the performance of a bivariable granular fertilizer applicator and simplify the control methodology of fertilization rate regulation, this paper proposed a fertilization decision method to obtain the optimal combination of rotational sp...
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G. Marin,P. Pathak,S. Singh
Comparing economies is a tricky affair because though the parameters are the same yet, the conditionality differ. It is like a comparison of dissimilar attributes. How to juxtapose attributes of one economy vis-à-vis another when the two have entirely di...
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Xiuhua Song, Hong Li, Chao Chen, Huameng Xia, Zhiyang Zhang and Pan Tang
To overcome the problem of poor uniformity of solid-fertilizer-dissolving devices due to lag of fertilizer dissolution, a closed-loop control system based on fuzzy proportional-integral-derivative (PID) was designed and tested. A fertilizer concentration...
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Improvement in fertilization methods, including the optimal matching of nutrient supply and root nutrient absorption by applying nitrogen (N) in the root zone of crop, is necessary to improve N use efficiency (NUE), maintain high stable yield cultivation...
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Heng Liu, Wenzhi Xu, Quanchun Yuan, Jin Zeng, Xiaohui Lei and Xiaolan Lyu
In addressing the challenges of high energy consumption and low efficiency in fertilization borehole drilling for clayey soils in southern orchards, this study utilizes the Discrete Element Method to establish a simulation model for clayey soils. Through...
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Xiangjie Chang, Hao He, Liyang Cheng, Xiaojuan Yang, Shuai Li, Mengmeng Yu, Jifeng Zhang and Junhua Li
In this study, we established a feasible fertilization programming method for wheat production by exploring the effects of the combined application of chemical and organic fertilizers on wheat yield, nutrient uptake, soil nutrient content, and fertilizer...
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Huidan Lv, Ping He and Shicheng Zhao
The form and distribution of organic carbon in soil affect its stability and storage, and nitrogen (N) fertilization can affect the transformation and accumulation of soil organic carbon (SOC), whereas how the N fertilizer rate affects SOC storage by reg...
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Mitsuru Endoh, Ryuji Hazama, Keita Kaya, Yusuke Futamura, Sakurako Doi, Izumi Makinose, Dipak Pandey, Osamu Nishimiya, Milo? Havelka, Taiju Saito, Rie Goto and Takahiro Matsubara
Artificial fertilization of cultured fish is essential for seed production using breeding techniques. However, in tuna species, the success rate of artificial fertilization is tremendously low. In this study, it was reported that the adequate procedure f...
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Mouchili Mouchili,Einar Vargas-Bello-Pérez,Fernand Tendonkeng,Emile Miégoué,David Fokom Wauffo,Hippolyte Mekuiko Watsop,Etienne Pamo Tedonkeng
Pág. 310 - 318
The effects of different poultry manure fertilization levels and cutting times on the growth of Moringa oleifera were evaluated. A factorial design comparing six levels of poultry manure (0, 50, 100, 150, 200 and 250 kg N ha-1) and three cuttin...
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Guangqing Li, Xueqin Yao, Chunqing Liu, Lei Huang, Chenghong Liu and Zhujie Xie
According to the requirements of different fertilizers for early-maturing and late-maturing broccoli, this study aimed to establish the models of formula fertilization to apply them in the recommendation of fertilization by the aid of soil testing perfor...
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Francielly T. dos Santos, Fernanda Ludwig, Luiz A. de M. Costa, Mônica S. S. de M. Costa, Marcelo B. Remor, Plínio E. R. Silva
Pág. 111 - 120
Potted gerbera is an ornamental plant that is widely commercialized in Brazilian markets. However, information on cultivation techniques is needed to meet growing demand, especially with regard to fertilization. This study was carried out to assess the g...
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Tongyin Li, Guihong Bi, Xiaojie Zhao, Richard L. Harkess and Carolyn Scagel
Mineral nutrient uptake of Hydrangea macrophylla ?Merritt?s Supreme? affected by nitrogen (N) fertilization rate, container type, and irrigation frequency was investigated. Rooted liners of hydrangea plants were fertilized twice weekly with a N-free fert...
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Weidan Lu, Zhiqiang Hao, Xiaolong Ma, Jianglong Gao, Xiaoqin Fan, Jianfu Guo, Jianqiang Li, Ming Lin and Yuanhang Zhou
Organic fertilizer can improve soil management and alleviate soil nutrient loss caused by excessive fertilization. This study determines a fertilization scheme that can achieve high and stable crop yield and effective soil fertilization by exploring the ...
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Binnan Li and Lixia Shen
A reasonable fertilization rate and appropriate irrigation technology can lead to the green development of greenhouse tomatoes. The purpose of this study was to explore suitable irrigation technology for greenhouse tomatoes and the appropriate applicatio...
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Ravinder Singh, Steven Kyle Sawatzky, Matthew Thomas, Samuel Akin, Hailin Zhang, William Raun and Daryl Brian Arnall
Effective nutrient management requires understanding nutrient uptake at various growth stages and nutrient removal by the harvested portion. Information on nutrient accumulation was provided by some older literature, and a few researchers have focused on...
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Yongping Yuan, Ronald L. Bingner, Martin A. Locke, Jim Stafford and Fred D. Theurer
High phosphorus (P) loss from agricultural fields has been an environmental concern because of potential water quality problems in streams and lakes. To better understand the process of P loss and evaluate the effects of different phosphorus fertilizatio...
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Tiantian Li, Sumei Wan, Guodong Chen, Zhengjun Cui, Jinbin Wang, Zhilong Fan and Yunlong Zhai
Increasing agricultural yields and reducing greenhouse gas (GHG) emissions are the main themes of agricultural development in the 21st century. This study investigated the yield and GHGs of a jujube?alfalfa intercropping crop, relying on a long-term fiel...
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Justinas Anu?auskas, Andrius Grigas, Kristina Lekaviciene, Ernestas Zaleckas, Simona Paulikiene and Dainius Steponavicius
In the scientific literature there is a lack of information on the integrated effect of bioenriched complex mineral fertilizers in the energy and environmental aspects of spring barley production technology. The aim of this study was to validate the type...
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Min Liu, Meng Xu, Liang Yuan, Shuiqin Zhang, Yanting Li and Bingqiang Zhao
Due to its broad yield-increasing effect and low cost, humic acid urea (HAU) has become one of the leading modified fertilizers worldwide. The fertisphere is the primary space where urea (U) granules participate in the soil nitrogen cycle, forming a nutr...
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