seed collecting

Study on the best period of seed collecting of Korean pine

红松适宜采种期的研究

Population Dynamic Index and Cultural Measures of Seed Collecting in Outdoor Wintering in Sugarbeet

露地越冬采种甜菜群体动态指标和栽培措施

Studies on optimum seed collecting periods of Pinus tabulaeformis

油松最佳采种时期的研究

The Virtual Design and Research for self dyadic promotion and demotion seed collecting machine based on UG

基于UG的自行升降式采种机虚拟设计与研究

Thus it Proves that the best period of seed collecting is from 15 to 20 in September .

据此提出，红松适宜采种期为9月15日至9月20日。

A Study on the Mathematical Model and Scheme of Excellent Combination in High-yielding Culture of Seed Collecting in Sugarbeet

采种甜菜高产栽培数学模型及优化组合方案的研究

Optimum design of clamping tree mechanisn on seed collecting stepladder

采种梯夹树机构的优化设计

Observation on flowering habits and seed collecting of sunflower ( 2 ) florescence mode .

开花模式。

Report on the Techniques of Semi-Artificial Seed Collecting of Chlamys farreri

栉孔扇贝半人工采苗技术报告

Using DTOPSIS method , 7 kinds of seed collecting techniques of FY8052 were generally evaluated .

以线椒FY8052为试材，采用DTOPSIS法对7种线椒采种技术进行综合评价。

The cultural techniques of good quality and high yield for seed collecting beets under ecological condition along the low reaches of changjiang river

长江下游生态条件与采种甜菜优质高产栽培技术的研究

Study on the Seed Collecting and Seedling Nursing Techniques and Nursery Stock Growing Law of Exbucklandia tonkinensis

大果马碲荷采种育苗技术及苗木生长规律研究

A study on techniques for the short-leaf radish No.13 seed collecting in the same year

短叶十三号萝卜当年采种技术初探胡萝卜采种技术研究

Division of Magnolia officinalis Rehd . et Wils . Seed Collecting Base and Design of Forest Stand and Management in Enshi Autonomous Prefecture

恩施自治州厚朴采种基地区划及林分经营培育设计

In this paper a study was made on how to raise the rate through the experiment in which such measure taken as adopting different seed collecting time and different regional breeds and stopping seeds ' dormancy .

本试验采用了不同采种期、不同品种以及打破种子休眠等措施进行了提高其出苗率的研究。

The optimum sowing date of overwinter seed collecting beets in the early of Aug. in the low reaches of Changjiang River , transplanting period is in the mid-late of Semp . the transplanting seedling age is 8 ~ 10 leaves with 52500 plants / ha .

长江下游地区露地越冬采种甜菜的适宜播期为8月上旬，移栽期在9月中、下旬，移栽期秧龄在8～10片叶，适宜栽植密度52500株／hm2。

Comprehensive Effect of Pepper Seed Quality with Different Seed Collecting Methods

不同采种方法对辣椒种子质量的综合影响

The relationship among the main factors which affecting the seed yield of outdoor wintering seed collecting were analysed , and the cultural measures were put forward for obtaining 300 kg seeds by mu which according to the growth characters of seed plant , population dynamic index .

本文对影响甜菜露地越冬采种种子产量的主要因素间关系进行了研究分析，并根据种株生育性状、群体动态指标提出了获得300kg产量所采取的栽培措施。