1) crop yield
作物单产
1.
Research progress in crop yield estimation models based on spectral reflectance data;
基于光谱反射信息的作物单产估测模型研究进展
2) monocyclic products
单环产物
1.
Catalytic highly-selective hydration of P-pinene in the presence of H-Mordenite and quaternary ammonium salts was studied in this paper, the different quaternary ammonium salts and their quantities have a remarkable influence for this reaction on the selectivity for the monocyclic products.
本文研究了季铵盐辅助氢型丝光沸石催化β-蒎烯选择性水合反应，季铵盐的结构及用量对该反应生成单环产物的选择性具有显著的影响。
3) the single-stranded product
单链产物
4) crop yields
作物产量
1.
Applying the method of field fixed position experiments, this article studied the effect of different tillage methods and modes of getting straw and stalk back to the field on the crop yields and soil physicochemical properties.
应用定位田间试验的方法,研究了不同耕作方式和秸秆还田方式对作物产量和土壤理化性质的影响。
2.
By applying geostatistical techniques to a large-scaled area of the Bojili Irrigation District in Shandong, the regional surface soil salinity effects on crop yields were investigated.
应用地质统计学原理与方法,描述了黄河下游地区表层土壤盐分及相应作物产量的空间与时间变化分布趋势及特征,统计分析了不同土、水、肥组合条件下表层土壤盐分对夏玉米和冬小麦产量的影响。
5) Crop production
作物生产
1.
GIS-based information system for crop production management;
基于GIS的作物生产管理信息系统
2.
Effect of climate warming on crop production in Heilongjiang Province and its countermeasures;
气候变暖对黑龙江省作物生产的影响及其对策
3.
Stimulating effect in crop production systems;
作物生产系统中的激发效应
6) Crop yield
作物产量
1.
The Effect of different fertilization treatments on soil nutrient and crop yield in oasis farmland;
绿洲农田不同施肥处理对土壤养分和作物产量的影响
2.
Runoff and silt regulating rate in the times rainfall and the crop yield when used the different regulating measures;
不同复合措施的次降雨径流、产沙调控率和作物产量
3.
Effect of long-term located organic-inorganic fertilizer application on fluvo-aquic soil fertility and crop yield;
有机-无机肥长期配施对潮土土壤肥力和作物产量的影响
补充资料：单产
1.单位面积产量的简称。
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