论文部分内容阅读
①选择通风向阳,排水良好的地方。平整土地,除掉草根和石场,用砖块和石头砌成高50厘米的围子做成苗床并做好排水孔。苗床底部铺一层砖块,每块砖之间留3—5厘米间隙,上面搭放小瓦片,再将谷壳灰或珍珠岩,黄沙等装满,喷雾冲洗数日,使谷壳灰或珍珠岩等介质下沉踏实。这种介质疏松、能保混、比空气温度高4—5度。如育苗场地有限,可用旧箩筐,木箱等透水良好的容器装谷壳灰或珍珠岩、黄沙等,置于喷雾器下,效果相同。喷雾安装:接通水源,按照苗床大小安装一定数量的喷头,喷头喷出的水珠需呈雾状,据试验1个喷头可供6平方米床面使用。
① choose sunny, well-drained place. Level the land, remove the grass roots and stone fields, use bricks and stones made of 50 cm tall enclosures to make seedbed and make drainage holes. Seedbed at the bottom of a layer of brick shop, leaving 3-5 cm between each brick gap, put a small tile above, and then chaff ash or perlite, yellow sand filled, spray rinse for a few days, so chaff Gray or perlite and other media sinking practical. This media loose, to keep the mix, 4-5 degrees higher than the air temperature. Such as nursery grounds are limited, old basket can be used, wooden boxes and other well-water containers filled with chaff ash or perlite, yellow sand, placed under the sprayer, the same effect. Spray Installation: Connected to the water source, according to the size of the seedbed to install a certain number of sprinklers, spray sprinkler droplets required to be misty, according to the test 1 nozzle for 6 square meters of bed use.