Results 71 to 80 of about 3,634,913 (194)

Organic Fertilizer and Amendment Improve Physical Properties of Albic Soil Under Crop Rotations

Plants
Albic soil is a typical low-yield and problematic soil in Northeast China, which severely restricts crop growth and yield. Through a three-year field experiment in the albic soil of China, soil three-phase ratio, soil bulk density (soil BD), soil total ...
Yue Zhao, Yu Zheng, Yuchao Song, Xiaoyu Hao, Jinghong Ji, Shuangquan Liu, Lingli Wang, Xingzhu Ma   +7 more
doaj   +1 more source

[United States Soil Survey Report]

, 1990
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads. Includes legend and symbols.
Texas Agricultural Experiment Station, United States. Soil Conservation Service.   +1 more
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Impact of straw return on greenhouse gas emissions from maize fields in China: meta-analysis

Frontiers in Plant Science
IntroductionAn increase in the amount of greenhouse gases (GHGs) in the atmosphere causes global warming, and >14% of all GHG emissions come from agricultural activities.
Qi Sun, Qi Sun, Xue-jia Gu, Xue-jia Gu, Yu-feng Wang, Yu-feng Wang, Hong-sheng Gao, Hong-sheng Gao, Xiao-jun Wang, Xiao-jun Wang, Xue-li Chen, Xue-li Chen, Si-miao Sun, Si-miao Sun   +13 more
doaj   +1 more source

Parcel-Based Mapping Framework of Corn Harvest Progress by Combining Optical and Radar Remote Sensing Imagery

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Timely and accurate monitoring of large-scale crop harvest progress (CHP) is crucial for optimizing agricultural management. Remote sensing shows great potential, but most studies focus on small-scale analysis with limited features and single data ...
Jia Zheng, Jianhua Ren, Huanjun Liu, Zui Tao, Bo Zou, Xingming Zheng, Xiaojie Li, Tianhao Guo, Zhuangzhuang Feng   +8 more
doaj   +1 more source

Activation Performance and Mechanisms of Exogenous Low-Molecular-Weight Organic Acids on Available Phosphorus in Black Soils of Northeast China

Yankuang ceshi
In the black soil region of Northeast China, long-term excessive application of phosphorus fertilizers has led to soil phosphorus accumulation and reduced availability.
He LI, Xu XIE, Wenzhi ZHAO, Xiao XIE, Ping JIANG   +4 more
doaj   +1 more source

[United States Soil Survey Report]

, 1976
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads. Includes legend and symbols.
Texas Agricultural Experiment Station, United States. Soil Conservation Service.   +1 more
core  

Salt Tolerance Induced by Plant Growth-Promoting Rhizobacteria Is Associated with Modulations of the Photosynthetic Characteristics, Antioxidant System, and Rhizosphere Microbial Diversity in Soybean (Glycine max (L.) Merr.)

Agronomy
Salinity stress poses a major obstacle to agricultural productivity. Employing plant growth-promoting rhizobacteria (PGPR) has attracted significant attention due to its potential to improve plant development in challenging conditions.
Tong Lin, Fasih Ullah Haider, Tianhao Liu, Shuxin Li, Peng Zhang, Chunsheng Zhao, Xiangnan Li   +6 more
doaj   +1 more source

[United States Soil Survey Report]

, 1977
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads. Includes legend and symbols.
Texas Agricultural Experiment Station, United States. Soil Conservation Service.   +1 more
core  

Multi-Algorithm Hierarchical Minimum Data Sets for Soil Quality Assessment in the Black Soil Region of Northeast China: A Case Study in Keshan County

Land
The Northeast black soil region is a major grain-producing area in China, where county-scale assessment of topsoil quality is essential for soil conservation and provides a potential indicator framework for regional soil quality monitoring. In this study,
Yan Li, Xiao Han, Shanshan Cai, Yu Hu, Huawei Yang, Ruixin Bi, Diwei Song, Xinyuan Zhang, Kangkang Wang, Xiaoxiao Xiong, Lei Sun, Dan Wei   +11 more
doaj   +1 more source

Eclipse;Black Hills Scenes;

This is a 7x5 glass plate of leafless trees and multi-story buildings beneath a planetary body with a circular halo surrounding an ecliptic shape. Title(s) by Carpenter, L.397 H86-038 Lester Black Collection Vault 334-417 Box 5 of 8 Glass plates H86-037
Black, Lester
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