Showing 1 - 10 of 15
This paper estimates the availability of agricultural crop residue feedstocks in Canada for cellulosic ethanol production. Canada's major field crops generate 100.6million dry mega grams (Mg) of crops per year while non-forage crops produce 67 million dry Mg, leaving abundant agricultural...
Persistent link: https://www.econbiz.de/10010577201
The milpa is a traditional intercropping system of maize, bean, and squash. Milpas are repositories of agrobiodiversity in México, not only rich in inter- and infra-crop species diversity, but also in landraces of maize, which are building blocks for future improvements in this globally...
Persistent link: https://www.econbiz.de/10005453811
We build the influence function empirical model of China's grain production at the present stage in view of the factors influencing direct grain subsidies, using Cobb-Douglas production function model. And we estimate the elasticity coefficient of impact of China's direct grain subsidies on...
Persistent link: https://www.econbiz.de/10010919096
On the basis of empirical data concerning "four agricultural subsidies" in Chongqing City, we establish panel data model to analyze the general effect of "four agricultural subsidies" on grain yield, and the structural effect of "four agricultural subsidies" on grain yield. Based on the F-test...
Persistent link: https://www.econbiz.de/10011250348
By using correlation analysis method, regression analysis method and time sequence method, we combine time and space, to establish grain geld spatio-temporal regression prediction model of Henan Province and ail prefecture-level cities. At first, we use the grain geld in prefecture-level cities...
Persistent link: https://www.econbiz.de/10009653681
To develop a water-saving planting pattern in the North China Plain, in the 2010–2011 and 2011–2012 winter wheat growing seasons, 2 types of planting patterns (wide-precision planting and conventional-cultivation planting) and 3 different irrigation treatments (60.0-mm irrigation at both...
Persistent link: https://www.econbiz.de/10010608190
A study was carried out in the Teaching and Research Farm of Delta State University, Asaba Campus from August to December in 2005 and repeated between March and July, 2006 to evaluate the response of maize (Zea mays) to liquid organic fertilizer. The study was conducted using a split plot fitted...
Persistent link: https://www.econbiz.de/10010667456
The experiment was carried out at the Student Farm of CCS HAU, Hisar for two consecutive kharif seasons of 2011 and 2012.  The field was laid out in a split plot design following the block randomization system with three replications.  Four varieties (HC 541, HC 308, HC 171 and HJ 513) and...
Persistent link: https://www.econbiz.de/10010769091
To improve grain yields of winter wheat and water-use efficiency in the water-shortage region of the North China Plain (NCP), field experiments involving three irrigation levels and two types of winter-wheat cultivars (Shijiazhuang 8 and Xifeng 20, with moderate and strongly drought tolerance,...
Persistent link: https://www.econbiz.de/10010572984
Effective use of water (EUW) was evaluated along with grain yield in the same environment over different years and locations. The root system sizes of sets of winter wheat varieties (20, 20, 20 and 18 varieties in 2007, 2008, 2009 and 2010, respectively) were evaluated by measuring their...
Persistent link: https://www.econbiz.de/10011047678