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Study on the influence of ages and some morphology norms of individual trees on woodchip rate of Acacia auriculiformis planted in Thai Nguyen showed that the rate of woodchips of individual trees ranged from 83.11 – 98.5% compared to the initial wood at the same conversion humidity (3-5%) and increased gradually from age of six to age of twelve,...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 517 | Lượt tải: 0
Rice on the upland areas of Vietnam is mostly planted on the soils which are acidic and low organic matters. Biochar could increases pH and organic carbon contents in the soil as well as increasing yields if combined either with compost or with chemical fertilizer. This study investigates effects of biochar as well as biochar-composting on chang...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 470 | Lượt tải: 0
Phia Oac – Phia Den Natural Protected Area belong to Nguyen Binh district, Cao Bang province which is located in the highland, terrain, forestry land area accounts for 84% of the total area in which mainly natural forest on the limestone. The study area includes the limestone mountain ranges with many high peaks, steep slope, average elevation 1...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 501 | Lượt tải: 0
Cysteine proteinase perform functions mature protein, protein refreshed to match the changing environment and eliminate abnormal proteins. Cystatin is the protein inhibitor of cysteine proteinase activity, it roles as a substrate into the active center of cysteine proteinase, that prevents the other substrate proteins go into. Therefore, cystati...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 467 | Lượt tải: 0
NAC transcription factors are a family of proteins with diverse functions. They are unique to plants and play an important role in regulating the growth and development of plants, in regulating hormones and response to various stresses, and may play important roles in biotic and abiotic resistance pathways. In this study we successfully amplifie...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 494 | Lượt tải: 0
This study was conducted on the tomato variety TN386 at Thai Nguyen University of Agriculture and Forestry in the 2013 Spring-Summer crop with 5 comlicated-agronomic technique treatments. The research results indicated that there were not much differences in growth duration, plant height and number of leaves among treatments. However, different ...
7 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 590 | Lượt tải: 0
The System of Rice Intensification (SRI) has been evaluated and effectively applied on irrigated land of more than 40 countries and 22 provinces in Vietnam. However, SRI has not been applied in rainfed land yet. Findings from the study on application of SRI on the rainted land in Bac kan province in summer rice crop 2010 indicated that SRI techn...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 500 | Lượt tải: 0
Experiments studied on the fertilizer rates for sticky hybrid maize variety HN88 in Gia Sang Ward, Thai Nguyen City, Thai Nguyen province. The experiments consisted of 6 treatments, 3 replications which were arranged in randomized complete block design. Experimental results showed that growing time ranged from 95 - 100 days, the plant height was...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 532 | Lượt tải: 0
The experiments included 12 varieties of sweet potatoes collected from some locations around Vietnam. The study results showed that the stem types are mostly half- standing, stem color ranged from light green to dark purple; dark green mature leaves, except KL5 (dark purple). Leaf shapes had many different types such as hastate, cordate and lobe...
7 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 530 | Lượt tải: 0
It has been determined that porcine reproductive and respiratory syndrome (PRRS) on pigs occurred during the period of 2010 and 2013 in Bac Ninh province and this caused significant losses in pig husbandry. The most recent period, in June 2013, there was a disease spread but quickly controlled. Infected sows had syndromes of respiratory and repr...
6 trang | Chia sẻ: thucuc2301 | Ngày: 01/12/2020 | Lượt xem: 513 | Lượt tải: 0