核桃苗培育技术洱源县农业局６７１２００尹文江播种时间最好选在冬末春初，苗地应深挖细耙，播种则不宜过深，入土１０厘米较为合适。为使幼苗长直，出芽处要斜向上，密植，行距。株距保持１３厘米左右。播种后应经常保持土壤潮湿，如无雨水应每周灌溉一次。待发芽后施尿... Walnut seedling cultivation techniques Eryuan County Bureau of Agriculture 671200 Yin Wenjiang The best seeding time at the end of winter and early spring selection, seedling should dig deep rake, sowing should not be too deep, 10 cm soil more appropriate. In order to make the seedlings grow straight, the budding place should be diagonally up, close planting and spacing. Plant spacing to maintain about 13 cm. The soil should be kept moist after sowing and irrigated once a week if there is no rain. After germination urination ...