论文部分内容阅读
核桃苗主根生长快,根系发达,喜肥,所以应选择土层深厚、疏松、肥沃、排灌方便的沙壤土作育苗地。要结合整地做垄,施入粪肥1万公斤。 播种前种子要经过混沙埋藏,或用冷水浸种7-8天(每日翻拌、换水),再日晒催芽,待种子大部分开始裂口时,选出播种。
Walnut seedlings root fast growth, developed root system, like fat, it should choose the soil is deep, loose, fertile, convenient irrigation and drainage of sandy loam soil for breeding. To be combined with land preparation ridge, into the manure 10000 kilograms. Before sowing seeds to go through sand mixed with sand, or soaked with cold water for 7-8 days (daily mixing, changing water), and then the sun sprout until most of the seeds began to split, select the sowing.