大家在查：色浆美术颜料甲醛次硫酸氢钠金胺工业染料地块面积除草剂使用技术芽后除草剂吡氟禾草灵灭草烟

叶期

网络fist leafstage

叶期

叶期

fist leafstage

...早熟、中熟和晚熟大豆品种同期播种，在砧木植株的第一叶期(fist leafstage)，将接穗插接于砧木植株的节间部(internode)。

1

With rapid increase of the tolerance to imazethapyr , the key period of spraying dayflower was as early as 3-leaf stage .

由于 3 叶期开始鸭跖草耐药性迅速增强，因此，3 叶以前是鸭跖草施药的最佳时期。

2

Overall, for strong gluten under the drought condition , irrigating at the 5th leaf emergence could coordinate the quality with the yield .

在干旱条件下，春生 5 叶期灌水有利于强筋小麦籽粒产量和蛋白质含量的共同提高。

3

Their free proline contents in leaves were highest in the growth period of spring shoots and lowest in leaf-expansion period .

叶片游离脯氨酸含量在春梢生长期最高，在展叶期最低。

4

5 leaf period, original field tillering stage and neat spike period .

5 叶期、本田分蘖盛期和齐穗期三次喷施。

5

Spraying seedlings with Hanchu1 and MCPA at the stage of 5~6 leaves and the tillering stage could better control the weeds in the field .

秧苗 5~6 叶期及分蘖末期喷施旱除一号 +二甲四氯能较好地防除田间杂草。

6

Alternaria has pathogenic to thistle with 1~5leaves , to obtain the best efficacy , it should be used before 3 leaves . 4.

链格孢菌对 1~5 叶期的小蓟均有较好的致病性，为获得最佳防效，宜在小蓟 3 叶期以前使用。

7

Effects of leaf-picking date and meteorological factors on peach-blossom 's full flowering in Spring Festival in Pear River Delta

珠三角桃树摘叶期和气象因子对桃花应节盛花的影响

8

An Investigation on Pests and Natural Enemies from Germination to Frondescent of Jujube

枣树萌芽展叶期害虫与天敌关系的研究

9

Genetic Variation in the Leaf-Expansion Period of the First Hybrid Generation Tea Plants

茶树杂交一代展叶期的遗传变异

热词推荐

大家在看