نتایج جستجو برای: cropping systems

تعداد نتایج: 1189470  

A.G.K. Reddy B. Umesha K.S. Reddy, M. Kumar P.K. Pankaj V. Maruthi

A long term study was done to assess the impact of on farm reservoirs (OFR) on oil seedand cereal based cropping systems with vegetables (okra, tomato and carrot) in semi-aridalfisol of southern Telangana region. Two supplemental irrigation (SI) depths (30 and 50 mm)from OFR with raingun system were studied for assessing the water productivity andprofitability of the technology in these croppin...

2016
Zhenping Yang Wenping Yang Shengcai Li Jiaomin Hao Zhifeng Su Min Sun Zhiqiang Gao Chunlai Zhang

As the major crops in north China, spring crops are usually planted from April through May every spring and harvested in fall. Wheat is also a very common crop traditionally planted in fall or spring and harvested in summer year by year. This continuous cropping system exhibited the disadvantages of reducing the fertility of soil through decreasing microbial diversity. Thus, management of micro...

Journal: :International Journal of Current Microbiology and Applied Sciences 2020

Journal: :Revista Brasileira de Fruticultura 2016

Journal: :Crop & Pasture Science 2022

Rotations and associated management practices in rainfed farming systems of southwest Australia have shifted towards intensified cropping. Survey data from 184 fields spanning 14 Mha were used to document water use efficiency (WUE) water-limited yield potential (WLYP) commercial crops crop sequences identify biophysical variables influencing WUE. WUE achieved wheat was 10.7 kg grain/ha.mm. Usin...

Journal: :Remote Sensing 2017
Beatriz Bellón Agnès Bégué Danny Lo Seen Claudio Aparecido de Almeida Margareth Simões

In response to the need for generic remote sensing tools to support large-scale agricultural monitoring, we present a new approach for regional-scale mapping of agricultural land-use systems (ALUS) based on object-based Normalized Difference Vegetation Index (NDVI) time series analysis. The approach consists of two main steps. First, to obtain relatively homogeneous land units in terms of pheno...

Journal: :Ambio 2002
Kenneth G Cassman Achim Dobermann Daniel T Walters

The global challenge of meeting increased food demand and protecting environmental quality will be won or lost in cropping systems that produce maize, rice, and wheat. Achieving synchrony between N supply and crop demand without excess or deficiency is the key to optimizing trade-offs amongst yield, profit, and environmental protection in both large-scale systems in developed countries and smal...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید