You are currently on the new version of our website. Access the old version .

4,928 Results Found

  • Article
  • Open Access
9 Citations
2,375 Views
18 Pages

20 October 2023

Crop mapping at an earlier time within the growing season benefits agricultural management. However, crop spectral information is very limited at the early crop phenological stages, leading to difficulties for within-season crop identification. In th...

  • Article
  • Open Access
26 Citations
6,747 Views
27 Pages

Towards Routine Mapping of Crop Emergence within the Season Using the Harmonized Landsat and Sentinel-2 Dataset

  • Feng Gao,
  • Martha C. Anderson,
  • David M. Johnson,
  • Robert Seffrin,
  • Brian Wardlow,
  • Andy Suyker,
  • Chunyuan Diao and
  • Dawn M. Browning

14 December 2021

Crop emergence is a critical stage for crop development modeling, crop condition monitoring, and biomass accumulation estimation. Green-up dates (or the start of the season) detected from remote sensing time series are related to, but generally lag,...

  • Article
  • Open Access
11 Citations
3,166 Views
20 Pages

16 November 2021

Advanced machine learning techniques have been used in remote sensing (RS) applications such as crop mapping and yield prediction, but remain under-utilized for tracking crop progress. In this study, we demonstrate the use of agronomic knowledge of c...

  • Article
  • Open Access
28 Citations
4,056 Views
22 Pages

7 November 2022

Timely and accurate crop identification and mapping are of great significance for crop yield estimation, disaster warning, and food security. Early-season crop identification places higher demands on the quality and mining of time-series information...

  • Article
  • Open Access
90 Citations
10,262 Views
19 Pages

In-Season Crop Mapping with GF-1/WFV Data by Combining Object-Based Image Analysis and Random Forest

  • Qian Song,
  • Qiong Hu,
  • Qingbo Zhou,
  • Ciara Hovis,
  • Mingtao Xiang,
  • Huajun Tang and
  • Wenbin Wu

17 November 2017

Producing accurate crop maps during the current growing season is essential for effective agricultural monitoring. Substantial efforts have been made to study regional crop distribution from year to year, but less attention is paid to the dynamics of...

  • Article
  • Open Access
12 Citations
3,070 Views
18 Pages

13 April 2024

Crop classification is indispensable for agricultural monitoring and food security, but early-season mapping has remained challenging. Synthetic aperture radar (SAR), such as RADARSAT Constellation Mission (RCM) and Sentinel-1, can meet higher requir...

  • Article
  • Open Access
7 Citations
3,977 Views
16 Pages

11 March 2024

There is valuable information that can be obtained beyond using a fixed crop calendar with coarse spatial resolution. Knowing the dynamics of the timing and location in which a particular crop is planted and harvested, with an annual temporal resolut...

  • Article
  • Open Access
24 Citations
2,890 Views
18 Pages

27 June 2023

In-season crop-type maps are required for a variety of agricultural monitoring and decision-making applications. The earlier the crop type maps of the current growing season are obtained, the more beneficial it is for agricultural decision-making and...

  • Article
  • Open Access
11 Citations
4,123 Views
24 Pages

Early-Season Crop Mapping by PRISMA Images Using Machine/Deep Learning Approaches: Italy and Iran Test Cases

  • Saham Mirzaei,
  • Simone Pascucci,
  • Maria Francesca Carfora,
  • Raffaele Casa,
  • Francesco Rossi,
  • Federico Santini,
  • Angelo Palombo,
  • Giovanni Laneve and
  • Stefano Pignatti

2 July 2024

Despite its high importance for crop yield prediction and monitoring, early-season crop mapping is severely hampered by the absence of timely ground truth. To cope with this issue, this study aims at evaluating the capability of PRISMA hyperspectral...

  • Article
  • Open Access
963 Views
26 Pages

20 May 2025

Accurate early-season crop classification is critical for food security, agricultural applications and policymaking. However, when classification is performed earlier, the available time-series data gradually become scarce. Existing methods mainly fo...

  • Article
  • Open Access
60 Citations
10,609 Views
25 Pages

Land Cover and Crop Type Classification along the Season Based on Biophysical Variables Retrieved from Multi-Sensor High-Resolution Time Series

  • François Waldner,
  • Marie-Julie Lambert,
  • Wenjuan Li,
  • Marie Weiss,
  • Valérie Demarez,
  • David Morin,
  • Claire Marais-Sicre,
  • Olivier Hagolle,
  • Frédéric Baret and
  • Pierre Defourny

13 August 2015

With the ever-increasing number of satellites and the availability of data free of charge, the integration of multi-sensor images in coherent time series offers new opportunities for land cover and crop type classification. This article investigates...

  • Article
  • Open Access
12 Citations
3,474 Views
20 Pages

11 December 2022

Accurate crop rotation information is essential for understanding food supply, cropland management, and resource allocation, especially in the context of China’s basic situation of “small farmers in a big country”. However, crop rot...

  • Article
  • Open Access
14 Citations
4,173 Views
22 Pages

7 March 2020

Crop evapotranspiration (ET) is the largest water consumer of agriculture water in an irrigation district. Remote sensing (RS) technique has provided an effective way to map regional ET using various RS-based ET models over the past several decades....

  • Article
  • Open Access
3 Citations
4,285 Views
18 Pages

15 December 2021

Cultivated peanut (Arachis hypogaea L.) is an important crop worldwide, and peanut germplasm is an important genetic resource for peanut breeding. The two-season cropping system is common in tropical and subtropical regions, which are the main peanut...

  • Article
  • Open Access
16 Citations
4,889 Views
17 Pages

24 August 2020

Rain-fed agriculture in North-West (NW) Ethiopia is seasonally modulated, and our objective is to isolate past and future trends that influence crop growth. Statistical methods are applied to gauge-interpolated, reanalysis, and satellite data to eval...

  • Article
  • Open Access
31 Citations
8,295 Views
18 Pages

18 September 2015

Abandonment of agricultural land is a global issue and a waste of resources and brings a negative impact on the local economy. It is also one of the key contributing factors in certain environmental problems, such as soil erosion and carbon sequestra...

  • Article
  • Open Access
3 Citations
3,464 Views
25 Pages

11 October 2024

This study investigates the effects of climate change on the irrigation demand of vegetable crops caused by alteration of climate parameters affecting evapotranspiration (ET), plant development, and growing periods in Central Europe. Utilizing a mode...

  • Article
  • Open Access
54 Citations
6,206 Views
17 Pages

Parametric Assessment of Seasonal Drought Risk to Crop Production in Bangladesh

  • Mahiuddin Alamgir,
  • Morteza Mohsenipour,
  • Rajab Homsi,
  • Xiaojun Wang,
  • Shamsuddin Shahid,
  • Mohammed Sanusi Shiru,
  • Nor Eliza Alias and
  • Ali Yuzir

8 March 2019

Droughts are more damaging when they occur during crop growing season. This research assessed the spatial distribution of drought risks to crops in Bangladesh. Catastrophe theory-based weighting method was used to estimate drought hazard, exposure, a...

  • Article
  • Open Access
7 Citations
3,339 Views
14 Pages

Effects of Applying Different Organic Materials on Grain Yield and Soil Fertility in a Double-Season Rice Cropping System

  • Jing Yang,
  • Bin Liao,
  • Changyu Fang,
  • Mohamed S. Sheteiwy,
  • Zhenxie Yi,
  • Sichao Liu,
  • Chao Li,
  • Guozhu Ma and
  • Naimei Tu

13 November 2022

Double-cropping rice cultivation reduces soil fertility, and the extensive use of chemical fertilizers has harmful effects on both the environment and grain yield. The application of organic materials could be used as a practical strategy to maintain...

  • Article
  • Open Access
805 Views
20 Pages

Influence of Crop Phenology and Seasonality on Soil Conditions Across Depth Profiles

  • Ramona Bălc,
  • Delia Maria Gligor,
  • Carmen Andreea Roba,
  • Tiberius Dicu,
  • Gheorghe Roșian and
  • Laura Mico

26 September 2025

The regulation of nutrient availability and microbial processes in agroecosystems are strongly mediated by soil physico-chemical factors. Yet, their seasonal dynamics in different crops are not fully understood. This study monitored pH, redox potenti...

  • Article
  • Open Access
590 Views
10 Pages

Agronomic Performance of Cowpea Cultivars During the Second Cropping Season in Southwest Minas Gerais, Brazil

  • Antônio Augusto Nogueira Franco,
  • Ricardo Shigueru Okumura,
  • Letícia Priscilla Arantes,
  • Franciane Diniz Cogo,
  • Samy Pimenta,
  • Daiane de Cinque Mariano,
  • Abner José de Carvalho,
  • Ana Carolina Petri Gonçalves and
  • Marcos Vinicius Bohrer Monteiro Siqueira

30 September 2025

The cowpea (Vigna unguiculata (L.) Walp.) is well adapted to high temperatures, water deficits and low fertility soils, being widely cultivated in regions less favorable to common beans. Its grains are rich in proteins, vitamins and minerals, represe...

  • Article
  • Open Access
11 Citations
3,713 Views
16 Pages

Early Relay Intercropping of Short-Season Cotton Increases Lint Yield and Earliness by Improving the Yield Components and Boll Distribution under Wheat-Cotton Double Cropping

  • Guoping Wang,
  • Lu Feng,
  • Liantao Liu,
  • Yongjiang Zhang,
  • Anchang Li,
  • Zhanbiao Wang,
  • Yingchun Han,
  • Yabing Li,
  • Cundong Li and
  • Hezhong Dong

19 December 2021

Wheat-cotton double cropping has improved crop productivity and economic benefits per unit land area in many countries, including China. However, relay intercropping of full-season cotton and wheat, the most commonly adopted mode, is labor-intensive...

  • Article
  • Open Access
850 Views
11 Pages

26 July 2025

The ecological drivers of wildlife crop-foraging behavior—whether as a compensatory response to natural resource scarcity or as opportunistic exploitation of anthropogenic food sources—remain poorly understood in human–wildlife conf...

  • Article
  • Open Access
34 Citations
7,383 Views
12 Pages

Seasonal Changes of Soil Quality Indicators in Selected Arid Cropping Systems

  • Mohammed Omer,
  • Omololu J. Idowu,
  • April L. Ulery,
  • Dawn VanLeeuwen and
  • Steven J. Guldan

Improving the soil quality in arid agro-ecosystems requires a greater understanding of how the time-of-sampling and management affect the soil measurements. We evaluated the selected soil quality indicators on samples collected at a 0–0.15 m de...

  • Article
  • Open Access
15 Citations
5,476 Views
23 Pages

Selection of Winter Season Crop Pattern for Environmental-Friendly Agricultural Practices in India

  • Veerasekar Palaniappan Sambasivam,
  • Gowtham Thiyagarajan,
  • Golam Kabir,
  • Syed Mithun Ali,
  • Syed Abdul Rehman Khan and
  • Zhang Yu

3 June 2020

Owing to the sudden changes in climatic conditions, monsoon failure, and scarce availability of resources because of population hike, yielding a minimum profit has become a challenge for Indian farmers. This is a severe problem for India, as a major...

  • Article
  • Open Access
20 Citations
5,955 Views
20 Pages

Prior Season Crop Type Masks for Winter Wheat Yield Forecasting: A US Case Study

  • Inbal Becker-Reshef,
  • Belen Franch,
  • Brian Barker,
  • Emilie Murphy,
  • Andres Santamaria-Artigas,
  • Michael Humber,
  • Sergii Skakun and
  • Eric Vermote

19 October 2018

Monitoring and forecasting crop yields is a critical component of understanding and better addressing global food security challenges. Detailed spatial information on crop-type distribution is fundamental for in-season crop condition monitoring and y...

  • Article
  • Open Access
29 Citations
7,166 Views
21 Pages

Crop type information at the field level is vital for many types of research and applications. The United States Department of Agriculture (USDA) provides information on crop types for US cropland as a Cropland Data Layer (CDL). However, CDL is only...

  • Article
  • Open Access
29 Citations
5,235 Views
12 Pages

Ground-Based Thermal Imaging for Assessing Crop Water Status in Grapevines over a Growing Season

  • Zheng Zhou,
  • Geraldine Diverres,
  • Chenchen Kang,
  • Sushma Thapa,
  • Manoj Karkee,
  • Qin Zhang and
  • Markus Keller

26 January 2022

The quality of wine grapes in dry climates greatly depends on utilizing optimal amounts of irrigation water during the growing season. Robust and accurate techniques are essential for assessing crop water status in grapevines so that both over-irriga...

  • Article
  • Open Access
8 Citations
6,128 Views
17 Pages

31 August 2016

This paper presents the potential of the four-image spectral endmember (EM) space comprising sand (SL), green vegetation (GV), saline land (SA), and dark materials (DA), unmixed from Landsat TM/ETM+ to map dryland agricultural soil alkalinity and sal...

  • Article
  • Open Access
38 Citations
6,715 Views
22 Pages

28 October 2020

Cover crops are planted during the off-season to protect the soil and improve watershed management. The ability to map cover crop termination dates over agricultural landscapes is essential for quantifying conservation practice implementation, and en...

  • Article
  • Open Access
78 Citations
9,219 Views
25 Pages

Intra-Season Crop Height Variability at Commercial Farm Scales Using a Fixed-Wing UAV

  • Matteo G. Ziliani,
  • Stephen D. Parkes,
  • Ibrahim Hoteit and
  • Matthew F. McCabe

11 December 2018

Monitoring the development of vegetation height through time provides a key indicator of crop health and overall condition. Traditional manual approaches for monitoring crop height are generally time consuming, labor intensive and impractical for lar...

  • Article
  • Open Access
25 Citations
8,101 Views
30 Pages

Assessing Future Spatio-Temporal Changes in Crop Suitability and Planting Season over West Africa: Using the Concept of Crop-Climate Departure

  • Temitope S. Egbebiyi,
  • Chris Lennard,
  • Olivier Crespo,
  • Phillip Mukwenha,
  • Shakirudeen Lawal and
  • Kwesi Quagraine

24 August 2019

The changing climate is posing significant threats to agriculture, the most vulnerable sector, and the main source of livelihood in West Africa. This study assesses the impact of the climate-departure on the crop suitability and planting month over W...

  • Article
  • Open Access
75 Citations
12,130 Views
28 Pages

In-Season Mapping of Crop Type with Optical and X-Band SAR Data: A Classification Tree Approach Using Synoptic Seasonal Features

  • Paolo Villa,
  • Daniela Stroppiana,
  • Giacomo Fontanelli,
  • Ramin Azar and
  • Pietro Alessandro Brivio

30 September 2015

The work focuses on developing a classification tree approach for in-season crop mapping during early summer, by integrating optical (Landsat 8 OLI) and X-band SAR (COSMO-SkyMed) data acquired over a test site in Northern Italy. The approach is based...

  • Feature Paper
  • Article
  • Open Access
2,528 Views
11 Pages

The Urban Double-Crop: Can Fall Vegetables and a Warm-Season Lawn Co-Exist?

  • Ellen M. Bauske,
  • Sheri Dorn,
  • Freddie Clinton Waltz and
  • Lauren Garcia Chance

A gardening methodology using double-cropped cool-season vegetables and warm-season turfgrass, thereby capitalizing on the ideal growing season for each, was developed in field trials and tested in volunteers’ landscapes. Broccoli (Brassica ole...

  • Article
  • Open Access
11 Citations
3,573 Views
16 Pages

30 November 2023

The monitoring of crop phenology informs decisions in environmental and agricultural management at both global and farm scales. Current methodologies for crop monitoring using remote sensing data track crop growth stages over time based on single, sc...

  • Article
  • Open Access
7 Citations
4,247 Views
9 Pages

16 March 2017

An improved understanding of temporal and spatial variations in soil respiration is essential for measuring soil CO2 effluxes accurately. In this study, a field experiment was conducted to investigate the spatial and temporal variability of soil resp...

  • Article
  • Open Access
2 Citations
2,199 Views
12 Pages

The QTL and Candidate Genes Regulating the Early Tillering Vigor Traits of Late-Season Rice in Double-Cropping Systems

  • Wei Wu,
  • Tian-Tian Zhang,
  • Li-Li You,
  • Zi-Yi Wang,
  • Si-Qi Du,
  • Hai-Yan Song,
  • Zao-Hai Wang,
  • Ying-Jin Huang and
  • Jiang-Lin Liao

25 January 2024

Rice effective panicle is a major trait for grain yield and is affected by both the genetic tiller numbers and the early tillering vigor (ETV) traits to survive environmental adversities. The mechanism behind tiller bud formation has been well descri...

  • Review
  • Open Access
4 Citations
2,434 Views
33 Pages

Doubled haploid technology is, so far, the fastest route to induce a true homozygous state in plants. True homozygous plants are particularly important for breeders, as they can facilitate hybrid breeding and are useful in fixing traits in a breeding...

  • Article
  • Open Access
17 Citations
6,336 Views
22 Pages

8 May 2019

It is difficult to predict the crop-available nitrogen (N) from farmyard manures applied to soil. The aim of this study was to assess the usefulness of the proximal sensors, Yara N-TesterTM and RapidScan CS-45, for diagnosing the N nutritional status...

  • Article
  • Open Access
3 Citations
2,368 Views
19 Pages

Within-Field Temporal and Spatial Variability in Crop Productivity for Diverse Crops—A 30-Year Model-Based Assessment

  • Ixchel Manuela Hernández-Ochoa,
  • Thomas Gaiser,
  • Kathrin Grahmann,
  • Anna Maria Engels and
  • Frank Ewert

6 March 2025

Within-field soil physical and chemical heterogeneity may affect spatio-temporal crop performance. Managing this heterogeneity can contribute to improving resource use and crop productivity. A simulation experiment based on comprehensive soil and cro...

  • Article
  • Open Access
16 Citations
5,483 Views
11 Pages

Phenology and Yield of the Hybrid Seedless Grape ‘BRS Melodia’ Grown in an Annual Double Cropping System in a Subtropical Area

  • Renata Koyama,
  • Wellington Fernando Silva Borges,
  • Ronan Carlos Colombo,
  • Ibrar Hussain,
  • Reginaldo Teodoro de Souza and
  • Sergio Ruffo Roberto

The development and evaluation of new cultivars of seedless grapes (Vitis spp.) with good yield and adapted to different edaphoclimatic conditions are essential to increase the competitiveness of the productive system. The present work had the object...

  • Article
  • Open Access
9 Citations
4,636 Views
22 Pages

In-season crop production forecasts at the regional or sub-regional scale are essential to aid in food security through early warning of harvest shortfall/surplus, tailoring crop management decisions and addressing climatic shock. Considering the eff...

  • Article
  • Open Access
31 Citations
6,998 Views
21 Pages

Soil Moisture Retrieval Using SAR Backscattering Ratio Method during the Crop Growing Season

  • Minfeng Xing,
  • Lin Chen,
  • Jinfei Wang,
  • Jiali Shang and
  • Xiaodong Huang

4 July 2022

Soil moisture content (SMC) is an indispensable basic element for crop growth and development in agricultural production. Obtaining accurate information on SMC in real time over large agricultural areas has important guiding significance for crop yie...

  • Article
  • Open Access
6 Citations
2,736 Views
19 Pages

29 November 2020

Water storage in unsaturated and saturated zones during the crop non-growing season is one of the important supplementary water resources to meet crop water requirements in arid areas with shallow water table depth. It is necessary to analyze utiliza...

  • Article
  • Open Access
6 Citations
2,980 Views
23 Pages

22 September 2023

The current status of water resources in the U.S. Central High Plains necessitates adopting water conservation practices to move toward a sustainable agricultural economy. Identifying proper irrigation scheduling techniques is a conservative practice...

  • Article
  • Open Access
37 Citations
7,943 Views
17 Pages

Evaluating Two Crop Circle Active Canopy Sensors for In-Season Diagnosis of Winter Wheat Nitrogen Status

  • Qiang Cao,
  • Yuxin Miao,
  • Jianning Shen,
  • Fei Yuan,
  • Shanshan Cheng and
  • Zhenling Cui

21 September 2018

Active crop canopy sensors can be used for non-destructive real-time diagnosis of crop nitrogen (N) status and guiding in-season N management. However, limited studies have compared the performances of two commercially available sensors with three di...

  • Article
  • Open Access
18 Citations
4,297 Views
35 Pages

Crop Mapping without Labels: Investigating Temporal and Spatial Transferability of Crop Classification Models Using a 5-Year Sentinel-2 Series and Machine Learning

  • Tomáš Rusňák,
  • Tomáš Kasanický,
  • Peter Malík,
  • Ján Mojžiš,
  • Ján Zelenka,
  • Michal Sviček,
  • Dominik Abrahám and
  • Andrej Halabuk

5 July 2023

Multitemporal crop classification approaches have demonstrated high performance within a given season. However, cross-season and cross-region crop classification presents a unique transferability challenge. This study addresses this challenge by adop...

  • Article
  • Open Access
23 Citations
4,090 Views
12 Pages

7 August 2020

The alien invasive insect pest Spodoptera frugiperda Smith (Lepidoptera: Noctuidae), commonly referred to as fall armyworm (FAW), is causing significant losses to maize production in Africa since its detection in 2016. Despite being the primary insec...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,658 Views
16 Pages

SAR and Optical Data Applied to Early-Season Mapping of Integrated Crop–Livestock Systems Using Deep and Machine Learning Algorithms

  • Ana P. S. G. D. D. Toro,
  • Inacio T. Bueno,
  • João P. S. Werner,
  • João F. G. Antunes,
  • Rubens A. C. Lamparelli,
  • Alexandre C. Coutinho,
  • Júlio C. D. M. Esquerdo,
  • Paulo S. G. Magalhães and
  • Gleyce K. D. A. Figueiredo

18 February 2023

Regenerative agricultural practices are a suitable path to feed the global population. Integrated Crop–livestock systems (ICLSs) are key approaches once the area provides animal and crop production resources. In Brazil, the expectation is to in...

  • Article
  • Open Access
6 Citations
4,089 Views
14 Pages

Estimation of Crop Water Productivity Using GIS and Remote Sensing Techniques

  • Zenobia Talpur,
  • Arjumand Z. Zaidi,
  • Suhail Ahmed,
  • Tarekegn Dejen Mengistu,
  • Si-Jung Choi and
  • Il-Moon Chung

17 July 2023

The global demand for food is growing with the population and urbanization, which puts pressure on water resources, which need assessing and quantifying water requirements. Adopting efficient irrigation methods to optimize water use is essential in t...

of 99