Selection of resource-saving and high efficient use agricultural techniques in Heyang County
合阳县资源节约与高效利用农业技术的选择
Cultivation Techniques of per Mu Yield of 200 & 250 kg of Winter Wheat in Rainfed Land in Ganjing Township of Heyang County
合阳县甘井乡旱地小麦亩产200&250kg栽培技术研究