planting density的例句大全

Effect of the Planting Density of Mulberry Field on Parent Silkworm Rearing

桑园不同栽植密度对种茧育的影响

Study of the Relation Between Planting Density and Root on Jujube Close Planting Garden in Arid Hillside Fields

旱坡地枣树密植园密度与根系关系的研究

Studies on Optimum Scheme of Planting Density and Fertilization for a New Sweet Potato Cultivar Yushu 303

渝薯303扦插密度和施肥量的优化研究

Effects of different planting density on the growth and fertility of thermo-sensitive male-sterile line in flax

不同播种密度对亚麻温敏雄性不育系生长和育性的影响

effect of planting density and site type in populus diltoides forests for veneer board

杨树单板用材林的栽植密度与立地效应研究

experiments on sowing time and planting density of new soybean varieties in jiamusi region

佳木斯地区大豆新品种适宜播期和适宜种植密度试验

effects of planting density on angular sponge gourd

有棱丝瓜种植密度的研究

field experiments on planting density and double head of brassica brocoli

青花椰菜种植密度与双球处理试验

the average planting density was about 100 trees per mu.

常用朱栾砧温桔和漳州桔，平均亩栽100株左右。

effects of nitrogen amount applied and planting density on nitrate reductase activity of rice during middle-late growth stages

施氮水平和栽插密度对水稻生育中后期硝酸还原酶活性的影响

effect of planting density and growth regulator on caducity and yield components in wheat

种植密度和植物生长调节剂对小麦衰老及产量构成的影响

effect of planting density to yield of extra hasting double-boll cotton

特早熟双铃棉种植密度对产量的影响

aeroponics used split plot design, main area ( e) nutrient solution formula 3, split plot ( f) planting density 3 levels, a total of 9 treatments.

雾化栽培试验采用裂区试验设计，主区（E）营养液配方3种，裂区（F）定植密度3个水平，共9个处理。

Experimental study on characteristics of rice irrigation control and the most suitable density for rice planting

水稻控灌特性及最佳密度试验研究

Ecological benefit of level furrow planting in different fertilization and density

不同密度及施肥条件下水平沟耕作的生态效应

On the basis of investigation and study of mountain economic forest, systematic research has been done on technology of land preparation, form of equipment, density of forestation, site condition, planting technology, aftercare and protection.

在对山地经济林调查研究的基础上，对其整地技术、配置形式、造林密度、立地条件、栽植技术、抚育保护等进行了系统的研究。

Fertilizer requirements for plantain in high density arrangements are higher compared with conventional planting.

与传统的种植方式相比,密植大蕉需要较多的养分.

when the density of transplant is 14.3 holes per centare, applying fertilizing of super wide spacing planting will have advantages of increasing rice yield on cold water paddy soil.

冷浆型水稻土上种植水稻，插秧密度为每平方米14.3穴以上时，采用超稀植施肥法有利于提高产量。

study on cultivation density and utilization level of base fertilizer of pinellia ternata planting

半夏种植密度及底肥施用水平的研究

a kind of measurable control system which can control the temperature, humidity illumination and the co_2 density of the agriculture planting greenhouse is designed.

设计了一套能实时控制农业种植温室内温度、湿度、光照度及CO2浓度等参量的测控系统。