1) longevity of nutrient
养分释放期
2) nutrient release
养分释放
1.
Experimental study on nutrient release from coated controlled release fertilizer in the upland soil condition and its mathematic simulation;
旱地土壤条件下包膜控释肥料养分释放的试验与数学模拟
2.
Responses of litter decomposition and nutrient release to simulated nitrogen deposition in an evergreen broad-leaved forest in southwestern Sichuan;
川西南常绿阔叶林凋落物分解及养分释放对模拟氮沉降的响应
3.
Decomposition dynamics and nutrient release of litters for four artificial forests in the red soil and hilly region of subtropical China;
亚热带红壤丘陵区四种人工林凋落物分解动态及养分释放
3) controlled released nutrient
释放养分
4) nutrient release rate
养分释放率
1.
A series of soil and water incubation trials were conducted to compare three methods of determining nutrient release rate and characteristics of coated fertilizer,including chemical analysis method,coated fertilizer weighting method,and total soil mineral nitrogen method.
在土壤培养基础上,着重研究了包膜控释肥料养分释放率的三种测定方法以及在土壤中测得的包膜控释肥料养分释放率与在水中测得的养分释放率间的相关性。
5) evaluation methods for nutrient release
养分释放评价
6) nutrient-lapsed time
养分释放时间
1.
Impact resistance of tung oil-coated urea was evaluated by comparing the changes of the nutrient dissolution percent and nutrient-lapsed time of the sample before and after the drop-weight impact.
桐油 /E3 和桐油 /E1系列包膜尿素包膜层中的聚合物含量分别为 90 %和 75 %～ 80 % ,养分释放时间分别可达到 72 0～ 84 0h和 2 4 0～ 2 88h ,经受冲击后的养分释放时间保持率分别为 5 7%～ 5 8%和 6 7%～ 90 %。
补充资料：养分
1.物质中所含的能供给有机体营养的成分。
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