To study the influence of sowing rate,water and fertilizer( N,P and K) coupling on water use efficiency of fodder millet grown in autumn fallow field,taking 
Overall socio-economic development of urban and rural areas and laying solid foundation for agricultural and rural development are closely connected with sustai
China is one of the few countries using coal as the main energy and is the world’s second largest coal consumer. Researching the coal consumption is very neces
Agricultural machinery total power is an important index to reflect and evaluate the level of agricultural mechanization. Firstly,we respectively made use of ex