soilless造句
(1) What are the advantages and disadvantages of soilless culture?
(2) This paper introduced under the facilities organic ecotype soilless planting technique of the green vegetable.
(3) Introduced the eco-organic soilless culture system and culture management techiques of high yields of Oenanthe Javanica DC.
(4) In soilless culture, we should pay attention to proper adjust the ratio of nitrogen to potassium and the ratio of ammonia nitrogen to total nitrogen.
(5) Micro-spray irrigation and soilless culture are the advanced techniques of irrigation and cultivation developed in recent dozens of years.
(6) The people here use soilless cultivation methods to grow vegetables.
(7) For all the five soilless cultivated vegetables of the polluted water, enrichment level of metal elements was found different.
(8) The alfalfa sprout vegetable under soilless cultivation could easily match with the Green Food Standard. And it was the most profitable and the valuable variety for extension.
(9) Eco - organic type soilless culture technology is the best method of culturing vegetables and flowers, getting non - harmful product.
(10) In the world soilless culture system is changing from open system in order to closed system in order to reduce the pollution of draining nutrient solution in the environment.
(11) In our country the soilless culture technology starts recently, so it is in underway and experimental phrase now.
(12) The soilless cultivation technique on artificial substratum was studied in order to purify the eutrophic water body and to get considerable economic benefit at the same time.
(13) What measures should be taken while vegetables are planted in soilless culture during hot summer in tropic or subtropic areas such as in Guangdong Province?
(14) The effects of six kinds of manures on growth, yield, change in nitrate-N content, nitrate content and nutrient quality of romaine lettuce were studied in soilless culture.
(15) This thesis is divided into six parts to introduce advantage and practice of soilless culture technology. It analyses the development tendency and problems existing in soilless culture.
(16) The growth and development, yield and fruit quality of netted melon cultivated in plastic bag containing soilless substrate were conducted.
(17) Six organic manures were used to apply to celery and romaine lettuce in soilless culture.
(18) From the analysis of different culture substrate on appreciating characters and nutrient feature of Begonia semperflorens, the medium M2 is the best material for soilless culture .
(19) By consulting the latest achievements in scientific research, the article comments comprehensively on the techniques of soilless culture of flower plants.
(20) Water earths up flowers to belong to the category of soilless culture new technology.
(21) The control of heavily polluted river in Suzhou was tested by Ipomoea aqutica on soilless floating beds, through static state test and in situ test on a heavily polluted river, Miaojia River.
(22) Plants are held in place so their roots lie in soilless troughs, and water with dissolved nutrients is circulated over them.
(23) The growth and the purification ability of Hemerocallis fulva Linn. in heavy and light eutrophic water were studied by means of soilless cultivation technique on artificial substratum.
(24) In horticultural applications, perlite is used throughout the world as a component of soilless growing mixes where it provides aeration and optimum moisture retention for superior plant growth.