Effect of sowing time on n, P, K and the nutrient accumulation of sweet corn seed.
不同播期对甜玉米籽粒n,p,K及可溶性糖的积累的影响研究。
The standing nutrient accumulation in whole stand increased with the increase of density.
林分营养元素积累量随林分密度的增加而增加；
Different varieties, even growing at the same field, behave differently in nutrient uptake, dry-matter accumulation, result finally in different yield and economic income.
不同品种即使种在同一块地里，养分吸收、干物质积累也不相同，最后得到不同的产量和经济收益。
The accumulation and distribution rule of productivity and nutrient element were studied by determining the biomass and chemical element in different organs above ground of sample trees.
通过对样地水曲柳天然林的各器官生物量的测定和化学元素分析，研究了生物生产力及营养元素的积累与分布规律。
P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.
施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。
The effect of waterlogging on the total accumulation of main nutrient element in hua 376 is greater than that in Yuhua 15 after the harvest of the peanut.
从花生收获后来看湿涝对花376主要营养元素积累总量的影响大于豫花15。
In this article, the development stage, dry matter accumulation, nutrient absorption and distribution, fruit quality changes during growth stage of Huang Xiaoyu and Hong Xiaoyu were studied.
为掌握小型西瓜生长发育规律，采用分期抽样和定量检测方法，对黄小玉、红小玉生长过程中生育期、干物质积累、养分的吸收分配和果实品质变化进行了研究。
Nutrient solution had been replaced water before lettuce was reaped for a week, which can reduce effectively accumulation of nitrate in lettuce, moreover, the effect of the yields isn't apparent.
在叶用莴苣采收前一周，将营养液换成清水，对叶用莴苣产量影响不大，叶用莴苣完全可以利用前期吸收的营养维持生长，硝酸盐累积大量减少，可有效的控制硝酸盐含量，改善品质。
Characteristics of nutrient absorption of cotton variety with early—maturity was stu died and the dynamic equation of the nutrient absorption and accumulation in the whole season was suggested.
本文研究了棉花早熟品种的吸收养分特点，提出了一生吸收积累养分动态方程；
It includes five models: growth stage model, shape development model, dry matter accumulation model, nutrient absorption model and yield model and so on.
本研究包括五个子模型，即生育期子模型、形态发育子模型、干物质积累子模型、养分吸收子模型、产量形成子模型。
Yield and the quality formation of the high starch maize is closely related to dry matter accumulation, the nutrient uptake, carbon and nitrogen metabolism, and the grain sugar and starch formation.
高淀粉玉米产量和品质的形成与干物质积累、养分吸收、碳氮代谢、籽粒库的糖分与淀粉形成关系密切。
High yield orchard soil nutrient storage buffer cumulant is big, middle garden soil accumulation quantity is small, low yield orchard is not obvious.
高产园土壤营养缓冲库累积量大，中产园土壤累积量小，低产园不明显。
Studies have shown that the soil nutrient loss has strong connection with its content, and the accumulation of soil nutrient can increase the loss potential.
农业面源污染物质氮、磷流失是与土壤营养物含量之间存在较强的联系，土壤营养物的累积可增大流失风险。
The rule of dry matter accumulation and nutrient absorption and distribution were studied during the growth of yellow sun-cured tobacco in field.
通过田间试验研究了晒黄烟生长发育过程中干物质和养分积累与分配规律。
There was a close relationship between the nutrient uptake and distribution of N, P, K and the accumulation and distribution of dry matter.
棉株对养分的吸收分配中心与干物质积累分配中心一致。
There was a close relationship between the nutrient uptake and distribution of N, P, K and the accumulation and distribution of dry matter.
棉株对养分的吸收分配中心与干物质积累分配中心一致。
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