红富士苹果是当前主栽的苹果品种，但是幼树生长较旺，成花困难。
Red Fuji apple is the major cultivar at present, but the young trees grow excessively and are difficult in forming flower bud.
不施肥或施肥不足，则成为影响红富士幼树生长、发育和早实性的主要限制因子。
Abiotrophy resulted from soil fertility inadequacy was a main limiting factor for the growth and development of apple trees in this region.
核桃苗浇水时间可据当地气候条件、土壤水分状况、降雨状况及核桃生长发育情况而定，无论幼树或大树，都要加强土壤水分的调节。
Walnut seedlings watered time according to local climatic conditions, soil moisture, rainfall and walnut growth conditions, both the saplings and trees, to strengthen the regulation of soil moisture.
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