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.
坡度、株行距对樟子松、金红苹果人工林幼树的生长影响均较小。
Slope and spacing and intra-spacing had little effect on Pinus sylvestris var. mongolica and Jinhong apple.
调查不同品种、嫁接方法、接穗贮藏时间、接穗老熟度、嫁接天气状况等因素对橄榄幼树嫁接成活率和生长势的影响。
The effects of varieties, grafting methods, storage time of scion, maturity grade of scion and weather on the survival rate and growth of young Chinese olive grafted seedlings were studied.
拉枝能显著抑制‘元帅’苹果幼树旺枝的生长势,促进花芽的形成,提高坐果率。
Branch -drooping could significantly retard growth vigour of Delicious apple trees, promote flower bud formation, and raise fruiting rate.
研究还表明,在自然条件下元宝枫幼树上述水分参数随季节和生长节律以及环境条件的变化发生有规律的变化。
Under natural condition, the ware parameters changed in respond to the changes of seasons, growth and development stages and environmental conditions.
在单一阶段土壤相对含水率超过87.84%时,幼树叶片中SOD活性在中前期—生长前期和生长盛期随供水量的增加而增大。
When the relative soil moisture was more than 87.84% at any single growth stage, the SOD activity of a.
当树木倒下时,人们让其腐烂、肥沃土地,使其有利于幼树的生长。
When a tree falls, it is left to rot and enrich the soil, and so encourage young trees to grow.
以开心形丰水梨幼树为试材,通过轻剪、重剪和不修剪处理对其树体生长指标、产量、根系分布度进行比较分析。
The young trees of open-center shaped Housui pear were used as the material to study the effect of different pruning rate(light, heavy and no) on the pear tree growth, fruiting and root growth.
与传统营林措施比较,杉木幼树的生长无显著差异,营林成本可以降低5 2 5 %。
The silvicultural cost might be lowered by 52.2%, as compared with that of traditional silvicultural measures.
与传统营林措施比较,杉木幼树的生长无显著差异,营林成本可以降低5 2 5 %。
The silvicultural cost might be lowered by 52.2%, as compared with that of traditional silvicultural measures.
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