grass yield中文什么意思

牧草生产量

• grass:    n. 1.草；牧草；牧草地，牧场；草 ...
• yield:    vt. 1.生出，产生(作物、报酬、 ...
• yield of grass:    产草量

例句与用法

1. Analyse on forage seeds production and grass yield in returning farmland to pastures in northeast yunnan
   滇东北退耕还草中牧草种子生产及其产量分析
2. According to these maps , this artic analyses distribution correlation between grass yield soil elements
   依据空间差异状态分布图，本论文定性分析了产草量与含水量等土壤因素的分布相关性。
3. The correlation analyses were conducted for the rations between the vegetation indices and the sampled grass yield data which were taken as the grassland biomass quotas . the results indicated that there are quite high correlations between the vegetation indices and the grassland yield data . among them the rvi has the highest correlation coefficient , ndvi in the next , and then successively tvi , msavi , infrared index , savi , gvi , dvi and w vi , but bvi has the lowest correlation coefficient that there is a negative correlation coefficient between bvi and the biomass
   对各种常用植被指数和草地生物量进行相关分析，由分析结果得出，比值植被指数( rvi )与草地生物量的相关性最高，相关系数达到0 . 885 ，其次为ndvi ，然后依次为tvi 、 msavi 、红外指数、 savi 、 gvi 、 dvi和wvi ，而bvi与草地植被生物量呈负相关关系，且相关性最低，总的来说，遥感植被指数和草地生物量具有较好的相关关系，因而，利用植被指数来建立草地生物量监测模型是可行的。
4. Agronomic characteristics and nutritional compositions of six clover cultivars were studied , and the results showed that , in low altitude area in hunan province , canadian red clover took on higher drought - resistance , disease - resistance and insect - resistance , and which fresh grass yield was highest and protein content was higher
   摘要为了筛选出在湖南省低海拔地区适应性较强的三叶草品种加以推广应用， 2003 ~ 2005年采用随机区组设计，对6个三叶草品种进行了农艺性状观察和营养成分测定。