1) super high yield crops
超高产品种
1.
Considering that the farmland resource is limited, the way to increase crop yield must be dependent upon yield raising per unit area, so that to breed the new crops in shich the yield can increase 20% - 30% than that of existing ones, or being called super high yield crops, is required.
由于土地资源有限,今后的增产途径主要是提高单位面积产量,因此需要能增产20％—30％的作物新品种或称为超高产品种。
3) breeding for super high yield
超高产育种
1.
The third breakthrough in yield should come from breeding for super high yield, to be realized by combining the use of an ideal plant type and the use of growth vigor.
研究表明 ,以籼粳稻亚种间强优势利用与理想株型相结合为主要特征的超高产育种 (即超级稻 ) ,正孕育着单产水平的第 3次突破。
2.
The third breakthrough in yield would come from breeding for super high yield, combining the ideal plant type with the growth vigor.
自20世纪80年代初提出并开展水稻超高产育种研究以来 ,经过20年的努力 ,已在超高产育种理论研究、新株型优异种质创制和超高产育种实践等方面取得重大突破。
3.
The theories and methods of rice breeding for super high yield was discussed synthetically.
对水稻超高产育种的理论和方法进行了综合讨论 ,认为水稻超高产育种是一项极其复杂的系统的工程式。
5) super high yield breeding
超高产育种
1.
The super high yield breeding is one of important fields of agricultural development and it is also a challenge for breeders.
作物超高产育种是农业发展的一个重要领域。
2.
The key to the super high yield breeding of wheat should increase the number of grains per spike and 1000 grain weight on the basis of the optimum number of ears per unit area.
根据长江下游地区的自然条件和小麦品种产量水平的发展趋势 ,提出了小麦超高产育种的目标 ,指出小麦超高产育种的突破口应是在保证一定穗数的基础上 ,着重增加每穗粒数和千粒重来主攻穗重。
6) Super-high yield breeding
超高产育种
1.
THE BREEDING OF SUBSPECIFIC HEAVY EAR HYBRID RICE-EXPLORATION ABOUT SUPER-HIGH YIELD BREEDING OF HYBRID RICE;
杂交水稻亚种间重穗型组合选育──杂交水稻超高产育种的理论与实践
补充资料：超超
1.谓超然出尘。 2.高高在上貌。 3.犹绰绰。 4.见"超超玄箸"。
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