1) release density
放蜂密度
1.
Effects of release density of Eretmocerus sp. (Hymenoptera: Aphelinidae) on the control effectiveness of Bemisia tabaci (Homoptera: Aleyrodidae);
放蜂密度对桨角蚜小蜂Eretmocerus sp.控制烟粉虱效果的影响
2) parasite density
蜂密度
1.
Effect of host and parasite density on Trichogramma ostrinae;
蜂密度和寄主卵密度对玉米螟赤眼蜂寄生效能的影响(英文)
3) stocking density
放养密度
1.
Optimal stocking density for cage culture of Pagrosomus major;
真鲷网箱养殖的最佳放养密度
2.
The impact of stocking density on plankton community in shrimp pond;
对虾池的放养密度对浮游生物群落的影响
3.
The results indicated that the relationship between size(Y) and stocking density(x) is Y=215.
研究了高淳池塘生态养殖河蟹放养密度对平均育成规格、产量和成活率的影响。
4) Density
[英]['densəti] [美]['dɛnsətɪ]
放养密度
1.
The low-tidal and midxtidal zone within an enclosure culture area was divided into six small experimental regions to make a contrast experiment on cultivating hard shell clam (Meretrix meretrix) with different seed size and density.
在网围养殖区内的低潮区和中潮区，各设6个试验小区，进行不同苗种规格、放养密度的对比试验。
2.
The optimum rearing density of carp in small cages was 473 fish/m 2.
在３５０、４００、４５０、５００尾／ｍ２的放养密度下，研究了小网箱养鲤效果。
5) releasing density
放养密度
1.
In the process of the experiment the releasing density,throwing in the bait,controlling the water quality and preventing and treating as.
养殖过程中，试验了放养密度、投饵、水质管理及腹水病、纤毛虫病的防治技
6) throw-in density
投放密度
1.
Experiments were carried out in Meiliang Bay of Lake Taihu to study the purifying effects of Alternanthera philoxeroides with different throw-in density for eutrophic lake water.
为了研究水花生在不同投放密度下净化富营养化湖水的效果,在太湖梅梁湾进行了多种密度水花生放养试验。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条