论文部分内容阅读
果树矮化密植栽培技术 金盾出版社价格 :2 5 .0 0元植物生产与环境 农业教育声像出版社价格 :1 0 0 .0 0元桑树黄化型萎缩病的防治 农业教育声像出版社价格 :2 5 .0 0元林木种植 (流沙地造林、黄土高原泾流林业、干石山造林、红壤营林丰产技术等 )中国农影音像出版社价格 :3
Fruit tree dwarf close planting cultivation technology Golden Shield Press Price: 2.50 yuan Plant production and environment Agriculture Education Video Publishing House Price: 1 0 0. 0 0 Mulberry yellow type shrinkage disease prevention Agricultural education audio-visual publishing house Price: 2 5 .0 0 yuan Forest planting (quicksand afforestation, forestry and forestry on the Loess Plateau, afforestation dry hills, red soil silviculture techniques, etc.) China Agricultural Film and Video Publishing House Price: 3