Sentences with phrase «wheat cropping systems»

However, in fallow - wheat cropping systems (where response to nitrogen is much lower), the contribution of fertilizers to organic matter may be minimal, and the use of fertilizers in these unsound practices may result in a net increase in CO2 emissions (Janzen, 1992).

Soil analysis in 1990 suggested that nitrogen fertilizer application since 1967 had increased the organic carbon content in the surface soil layer by about 3 t / ha in a continuous wheat cropping system.

Not exact matches

Then there was exciting news from India's poorest state, Bihar (pop 100 million, and 50 % of families in poverty), where the application of what's called the System of Rice / Root Intensification (SRI) has «dramatically increased yields with wheat, potatoes, sugar cane, yams, tomatoes, garlic, aubergine and many other crops», according to the Guardian newspaper.

IFPRI's fellows in the Consultative Group on International Agricultural Research system are developing, for example, drought - tolerant or heat - resistant varieties of staple crops such as wheat and rice.

Evaluation of the CROPGRO - Cotton and CERES - Wheat modules within the cropping system model of the Decision Support System for Agrotechnology Transfer, or DSSAT, for the region was one of the objectives of the latest system model of the Decision Support System for Agrotechnology Transfer, or DSSAT, for the region was one of the objectives of the latest System for Agrotechnology Transfer, or DSSAT, for the region was one of the objectives of the latest study.

In recent times, winter wheat has been increasingly grown as a cover crop in Rolling Plains cotton production systems.

The paper, «Simulated Effects of Winter Wheat Cover Crops on Cotton Production Systems of the Texas Rolling Plains,» is part of the «Crop Modeling and Decision Support for Optimizing Use of Limited Water» collection by the Natural Resources and Environmental Systems Community of ASABE at http://bit.ly/2izRZBY.

«The large machines used to harvest row crops such as wheat, corn and soybeans provide a natural platform for improving efficiency,» said Richard Sowers, a professor of industrial and enterprise systems engineering and of mathematics at the University of Illinois.

Annual crops contribute heavily to the world food system, with three domesticated grains — wheat, maize, and rice — providing 60 percent of the calories humans consume.

Miller et al. (2015) also show that in a wheat - pea cropping system, producers can reduce the amount of nitrogen that they apply, but in the long run maintain similar profits as a wheat - fallow system and reduce uncertainty around those profits.

The group has received $ 18.5 million in funding from the Bill & Melinda Gates Foundation through Cornell to create a breeding database for five major staple crops — wheat, rice, maize, sorghum and chickpea — but ultimately, they hope to develop a system that will work for any crop.

On another front, Texas A&M's Unmanned Aerial Systems Project is providing a new perspective to help wheat farmers manage diseases and water stress, predict yield in crop - breeding programs, and measure livestock forage production.

Intensive cereal cropping systems that include rice, wheat and / or maize are widespread throughout South Asia.

They are comparing two crop rotations — pasture - winter wheat - soybean - pasture and pasture - winter rye / hairy vetch - corn - pasture — and grazing dairy steers on the cover crops as a method of integrating livestock and organic cropping systems.

The simulated cropping systems were maize and wheat.