Báo cáo khoa học nông nghiệp " RESEARCH ON WATER REUSE TECHNOLOGY FROM HATCHERIES FOR FOR SUSTAINABLE DEVELOPMENT AND ENVIRONMENTAL POLLUTION CONTROL " pdf

... concentration in an activated sludge unit. Water Res. 36:2555–2560. 1 RESEARCH ON WATER REUSE TECHNOLOGY FROM HATCHERIES FOR FOR SUSTAINABLE DEVELOPMENT AND ENVIRONMENTAL POLLUTION CONTROL ... a sustainable production development and environmental protection 4 Research on the nitrification in our laboratory was conducted for synthetic wastew...

Ngày tải lên: 21/06/2014, 05:20

... 410 millions dong/ha for fish in comparison with 9 millions/ha for rice. However; total cost for raising 1 hectare of fish was 1,894.6 million dong compared to only 12.1 millions dong for rice ... participation (%) 7 4 15 18 VI. Reports on diseases caused by water pollution: Investigations on diseases attributable to water pollution have also been completed in OMo...

Ngày tải lên: 21/06/2014, 04:20

... waste water from each pond can be predicted from the likely nutrient concentration in the water. For example, water from a pond near CLRRI varied considerably over a 4 month period of use for ... waste from fishpond to waterways this situation seems out of control. Since most of farmers raising Clarias fish do not have settling ponds or paddy for land application, the...

Ngày tải lên: 21/06/2014, 04:20

... Mekong delta should make greater use of rice straw and fishpond solid waste to return K to their paddy for sustainable rice cultivation and to reduce costs for rice production. Continued monitoring ... on yield. Analysis of soil, straw and grain for concentration of macro, secondary and micronutrients showed no variation among treatments for both crops (only macro nu...

Ngày tải lên: 21/06/2014, 04:20

... project for this additional work, but considered it a useful addition to the project’s activities. Conclusions It is clear from the information collected from the surveys, interviews and observations ... location for SSC’s tomato evaluation and hybrid production is Lam Ha district in Lam Dong. The area is ideal for tomato production. Hybrid seed is produced in the off-se...

Ngày tải lên: 21/06/2014, 04:20

... evaluated for performance in North, Central and Central Highlands regions over two seasons. Superior varieties will be used in farmer demonstration trials in five locations in each region, together ... seedlings sent from FAVRI was not good, because of the long transport distance. We therefore contracted Mr. Nguyen Hong Phong , the largest and best tomato seedling producer from...

Ngày tải lên: 21/06/2014, 04:20

... the scion and the costs for seedlings were not too high. The project budget paid for the production and transport of the seedlings from Mr Phong. The cost for grafted seedlings from Mr Phong (450 ... seedlings from Mr Phong in Lam Dong (see information above). In this case, the seedlings were grafted on disease-resistant tomato rootstock, arrived in very good condition,...

Ngày tải lên: 21/06/2014, 05:20

... for broiler and 18% for layer), a large percentage of both pig and chicken producers used complete feed only: 53% for broiler and 64% for layer; and 43% for sow, 77% for piglet and 45% for ... policy formulation or adoption. Similarly, no agencies responsible for policy formulation have direct responsibilities for policy evaluation. This situation suggests ther...

Ngày tải lên: 21/06/2014, 05:20

... milestone 8 June - July FFS on watermelon production and marketing one at Quynh Luong and included five women farmers FFS 33 Report submitted with milestone 8 June - July FFS on watermelon ... milestone 8 4 th June Workshop was help by Mike Titley on IPM and watermelon crop management. ASINCV and MARD staff attended. TOT 15 June - July FFS on watermelon production...

Ngày tải lên: 21/06/2014, 04:20

... than before (< 5 %). The demand for effective and economical solutions for control of water pollution is the first priority of stakeholders. The investment cost for raising fish is large and ... decreasing water pollution from uncontrolled discharge of fishpond waste water and solids into rivers and canals. The overall Project objective is to improve the sust...

Ngày tải lên: 21/06/2014, 04:20