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发表于 2025-3-28 18:22:55 | 显示全部楼层
https://doi.org/10.1007/978-3-662-04053-9 in 1973 (1 ton =1016 kg). After accounting for seed and wastage, the net domestic supply was 790,800 rice tons in 1972 and 728,846 in 1973. However, the District-level data from MOAL for 1972 (1973a) sums to 987,288 tons if a standard paddy/rice conversion of 67 per cent is used (as in PMB, 1974, p
发表于 2025-3-28 19:26:57 | 显示全部楼层
Computational/Algorithmic Number Theory,1972) and in subsequent issues of the . (to September 1974) are shown in Fig. 4.1. My analysis of the literature is thus restricted, and this obviously introduces the possibility of serious bias in the impression conveyed by the map. But the journal that has been my main source is a particularly inf
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Brand Fortner,Theodore E. Meyerarea irrigated from Wirawila tank — the Kirindi Oya right bank scheme (KORB). It is not a ‘village community’ so much as an area of dispersed settlement, including 85 households, given a limited degree of unity because it surrounds a single yaya. Since it lies towards the tail-end of KORB, some of t
发表于 2025-3-29 23:54:04 | 显示全部楼层
https://doi.org/10.1007/978-1-349-20177-8eginbotham, 1973; Mook, 1974), and has also been studied in some of its aspects in Sri Lanka (Abeyratne, 1973; ARTI, 1974). Much of the concern has been with the diffusion of new technology in agriculture, with a tendency in India towards studies of the communication process. Our own selective study
发表于 2025-3-30 05:56:01 | 显示全部楼层
Big Integers and Rational Arithmeticbullocks. With the expansion of cultivated land in the 1950s, however, there was a considerable increase in the number of open wells. Madduma Bandara (Fig. 21.2) traces a first phase of well-digging innovation which culminated in the mid-1960s, to be followed by a much larger increase which continue
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