Rapid estimation of leaf nitrogen content in apple-trees based on canopy hyperspectral reflectance using multivariate methods
S Chen, T Hu, L Luo, Q He, S Zhang, M Li, X Cui… - Infrared Physics & …, 2020 - Elsevier
Rapid estimation of crop nitrogen (N) status is helpful for achieving precise N fertilizer
management, so as to promote the collaborative improvement of yield, quality and N use …
management, so as to promote the collaborative improvement of yield, quality and N use …
基于高光谱的番茄氮磷钾营养水平快速诊断
刘红玉， 毛罕平， 朱文静， 张晓东， 高洪燕 - 农业工程学报, 2015 - aeeisp.com
为了精确, 快速和稳定的对番茄氮, 磷, 钾3 种元素的营养水平进行诊断, 该文提出利用反射光谱
技术诊断方法, 选用遗传算法优选波段; 采用主成分分析方法提取敏感波长下的纹理特征; …
技术诊断方法, 选用遗传算法优选波段; 采用主成分分析方法提取敏感波长下的纹理特征; …
Non-destructive hyperspectral measurement model of chlorophyll content for citrus leaves
Traditional methods of obtaining chlorophyll content of citrus leaves require grinding citrus
leaves and applying chemical titrations, which would be harmful to citrus trees and time …
leaves and applying chemical titrations, which would be harmful to citrus trees and time …
Estimation of carbon and nitrogen contents in citrus canopy by low-altitude remote sensing
L Xuefeng, L Qiang, H Shaolan, Y Shilai… - International Journal of …, 2016 - ijabe.org
The study aimed to investigate the fast and nondestructive method for detecting carbon and
nitrogen content in citrus canopy. The multispectral imagery of Tarocco blood orange (Citrus …
nitrogen content in citrus canopy. The multispectral imagery of Tarocco blood orange (Citrus …
Rapid diagnosis of tomato NPK nutrition level based on hyperspectral technology.
L Hongyu, M Hanping, Z Wenjing… - Transactions of the …, 2015 - search.ebscohost.com
Because of the short growth cycle, large yield and high fertilizer requirements of facility crop,
which were the characteristics causing high cost and high complement in cultivation …
which were the characteristics causing high cost and high complement in cultivation …
柑橘植株冠层氮素和光合色素含量近地遥感估测
刘雪峰， 吕强， 何绍兰， 易时来， 谢让金， 郑永强… - 遥感学报, 2021 - ygxb.ac.cn
柑橘植株营养状况的遥感监测是实现果树轻简高效管理和优质丰产的重要手段,
但迄今有关基于低空遥感信息的果树营养诊断研究鲜见报道. 本文采用具有490 nm, 550 nm …
但迄今有关基于低空遥感信息的果树营养诊断研究鲜见报道. 本文采用具有490 nm, 550 nm …
基于冠层高光谱信息的苹果树花量估测
刘颖， 王克健， 谢让金， 吕强， 何绍兰， 易时来… - 中国农业 …, 2016 - chinaagrisci.com
[Objective] To study a technology for estimating the number of apple flowers which is based
on the hyperspectral image information of a canopy at full-bloom stage, in order to lay a …
on the hyperspectral image information of a canopy at full-bloom stage, in order to lay a …
Study and application of partial least squares regression on relationship between soil nutrient and fruit quality
B Zhou, Q Zhang, J Sun, X Li… - Agricultural Science & …, 2016 - search.proquest.com
Abstract [Objective] The objective of the study was to elucidate the duplicate collinearity
diagnosis method for soil nutrient and provide basis for establishment of multiple regression …
diagnosis method for soil nutrient and provide basis for establishment of multiple regression …
Hyperspectral estimation methods for chlorophyll content of apple based on random forest
Chlorophyll content is a good indicator of fruit tree nutrition stress, photosynthesis, and
another physiological state. 10 vegetation indices were selected and used as input variables …
another physiological state. 10 vegetation indices were selected and used as input variables …
Effects of Conservation Tillage on the Content of Carbon, Nitrogen in Fluvo-aquic Soil.
C Wenchao, X Liang, XU Sheng… - Agricultural Science …, 2016 - search.ebscohost.com
In order to verify organic carbon cycle under conservation tillage condition and the
promotion mechanism of soil fertility and offer scientific theory support for the popularization …
promotion mechanism of soil fertility and offer scientific theory support for the popularization …