sowing density 中文意思是什麼
-
Path analysis of sowing rate, sowing time and density experiment to yield and agronomic traits of quot; jinyou 554 quot
密度試驗對產量與農藝性狀的通徑分析 -
Studies on suitable planting density and time of sowing of potato on dry land in houshan area, inner monglia
內蒙古後山旱農區馬鈴薯適宜播種密度和播期研究 -
Based on cultivating experiment of corn from 1996 to1999, the field researches on corn in arid mountainous area of changping was made on the sowing period, maize varieties, density of crop, methods of fertilizer application and mode of planting. furthermore, it is in this article that the system of cultivation techniques of high yield corn is discussed
1996至1999年進行多年玉米旱地栽培試驗，對昌平山區旱地玉米的播期、品種、播種密度、施肥措施、種植方式進行了分析研究，探討了昌平山區旱地玉米的高產栽培技術體系 -
After correlation analysis of the raw of growth and development, dry matter accumulation, rate of filling, hulk density and yield, it concluded that the best sowing - time was on 30th in april and the best harvest - time was on 5th in october
通過對生長發育規律及對干物質積累、灌溉速率、容重、產量進行相關分析，確定4月30日左右為吉油1號玉米的最佳播種期， 10月5日左右為最佳收獲期。 -
The knowledge model for pre - sowing plan design includes submodels of target yield calculation, variety selection, sowing or transplanting date, population density and sowing rate, fertilization and water management strategy
其中，播前方案設計知識模型包括產量目標、品種選擇、播栽日期、種植密度與播種量、肥料和水分運籌等。 -
The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method
基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理，同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度；在此基礎上，應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響，進而確定播種量。 -
It is ascertained that it will increase the quantity of powdery mildew of wheat seedlings in the autumn under conditions of early sowing, over - density, over - watering, over - doses of fertilizer and growing of highly susceptible cultivars through large scale investigations in wheat fields
為了解栽培措施對防治小麥白粉病的作用，通過不同栽培措施對病情產生不同影響的大量田間調查，明確了小麥早播、密播，過量水、肥條件下的旺苗和種植高度感病品種，都會加重小麥秋苗帶菌量。 -
Abstract : it is ascertained that it will increase the quantity of powdery mildew of wheat seedlings in the autumn under conditions of early sowing, over - density, over - watering, over - doses of fertilizer and growing of highly susceptible cultivars through large scale investigations in wheat fields
文摘:為了解栽培措施對防治小麥白粉病的作用，通過不同栽培措施對病情產生不同影響的大量田間調查，明確了小麥早播、密播，過量水、肥條件下的旺苗和種植高度感病品種，都會加重小麥秋苗帶菌量。 -
Effect of sowing density on biology character and yield of tagetese recta l
種植密度對萬壽菊生物學及產量性狀的影響 -
The proper cultivation measures to reduce the quantity of the pathogen include sowing on suitable date, reasonable density, water quantity and fertilizer combination and avoiding highly susceptible cultivars, etc
適期播種、合理密植、視墑灌水、配方施肥、培育小麥壯苗及避免種植高感品種等均能減輕小麥秋苗帶菌量。 -
Analysis of the relationship between the sowing time, plant density and yield of middle - season rice
安徽省單季中稻播栽期和密度與產量關系淺析 -
The effects of sowing date, density and breed on non - ploughed potato covered with straw
密度及品種對旱地免耕稻草覆蓋馬鈴薯的影響
分享友人