Abstract
The North West Selangor Integrated Agriculture Development Agency (NWS-IADA) is the most productive agricultural part in Selangor, Malaysia. This is partly because of the inherent high fertil ity of the soils and the moderate variable climate. However, w ith increasing global concern about climate impacts , this article examines relative importance of climat e influences on the paddy production rate over 28 y ears (1980-2008). Data collection involved compiling and analyzing climate records from auxiliary station MARDI, Tg. Karang, Malaysia (Station no. 44325, 24 m M.S.L) at the coordinates of N 03° 27’ 17” E 101° 09’ 24”. The results indicate that the average rain fall recorded is 1, 765 mm which is similar to nati onal rainfall trend. Meanwhile, the daily humidity varie d between 94-96% (8.00 AM) and around 70% (2.00 PM) while the sunshine hours ranged between 2.3 to 9.5 h. A correlation analysis between the productio n yield and climatic data at the studied area for the year 2000-2008, showed that for precipitation; rai nfall is redundant during the main season while during the o ff season it bears direct effect on the production yield with the R 2 value of -0.293 and 0.1715, respectively; Sunshine hours and temperature demonstrate their importance to production yield as suggested with th eir respective R 2 values.
Highlights
The local paddy producing community is self-Paddy planting in Malaysia is synonymous to the rural community and traditional farming
The paddy planting practices carried out is based on the Bestari Planting Guide proposed by Malaysia Agriculture Research and Development Institute (MARDI) while the main cultivate used in the study area is a local cultivar (MR219)
The temperature variation recorded throughout the years is due to the influence of the monsoons where the studied area generally recorded higher temperature during the months of March until June annually which coincide as the off season for the study area
Summary
The local paddy producing community is self-Paddy planting in Malaysia is synonymous to the rural community and traditional farming. Increasing crop yield is the main agenda of most local paddy growers through measures such as the introduction of new cultivars, reviewing existing planting practices such as fertilizing and pesticide cycle, type and amount of fertilizer and pesticide used and the production (Alam et al, 2011). Malaysia is a rice-growing country with irrigation system has gone through evolution over the past decades with new ideas were implemented and new technologies were introduced. Government, through their agencies such as Drainage and Irrigation Malaysia (DID), Muda Agricultural Development Authority (MADA) and Kemubu Agriculture Development Authority (KADA) play a vital role to improve irrigation system throughout the region. In the 1980s, there was a substantial reduction in rainfall and overall availability of water resources for irrigation in the region, farmers still were able to increase total crop output by about 16% over the decade (Peng et al, 2006)
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